So, since Tezuka_Yamigami mentioned it, I decided to check how would your Kogasa look ingame. And, well, I’ve got bad news.
Before we even get to the part of whether it does fit or not (spoiler: it doesn’t), I have to point out that the image you’ve provided must have been a .jpeg at some point. Why do I say this?
In this image I replaced your background color with white. As you may notice, there are some remains of the previous background. The reason why these pixels remain is because, in truth, they are a different color from the previous background. And, by that, I mean that the previous background was rgb(119, 180, 169) and these pixels are things like rgb(118, 179, 168) or rgb(116, 175, 164).
Here I did the same for the umbrella, and you can see how it happens again.
219 colors
rgb(250, 250, 251), rgb(246, 246, 246), rgb(244, 245, 245), rgb(241, 241, 242), rgb(246, 248, 198), rgb(198, 217, 226), rgb(199, 199, 209), rgb(245, 208, 143), rgb(245, 208, 134), rgb(27, 202, 163), rgb(26, 202, 163), rgb(26, 200, 162), rgb(30, 199, 162), rgb(33, 198, 161), rgb(119, 180, 169), rgb(30, 195, 159), rgb(119, 179, 169), rgb(119, 179, 168), rgb(118, 179, 168), rgb(33, 194, 158), rgb(38, 193, 159), rgb(118, 178, 168), rgb(118, 178, 167), rgb(117, 177, 167), rgb(117, 177, 166), rgb(117, 176, 166), rgb(117, 175, 165), rgb(116, 175, 164), rgb(116, 174, 164), rgb(115, 174, 163), rgb(255, 130, 127), rgb(255, 130, 126), rgb(255, 129, 126), rgb(255, 129, 125), rgb(225, 152, 57), rgb(254, 129, 126), rgb(254, 128, 126), rgb(254, 128, 125), rgb(114, 171, 161), rgb(253, 128, 125), rgb(113, 171, 160), rgb(253, 127, 125), rgb(253, 127, 124), rgb(252, 127, 124), rgb(112, 170, 160), rgb(251, 127, 124), rgb(114, 169, 161), rgb(251, 126, 124), rgb(251, 126, 123), rgb(250, 126, 123), rgb(249, 126, 123), rgb(250, 125, 123), rgb(250, 125, 122), rgb(249, 125, 122), rgb(113, 167, 159), rgb(250, 124, 122), rgb(248, 125, 122), rgb(249, 124, 122), rgb(126, 160, 197), rgb(248, 124, 121), rgb(26, 181, 146), rgb(248, 123, 121), rgb(247, 123, 121), rgb(112, 165, 158), rgb(246, 123, 120), rgb(244, 122, 119), rgb(224, 134, 64), rgb(224, 134, 63), rgb(209, 123, 213), rgb(200, 127, 206), rgb(208, 122, 212), rgb(207, 122, 211), rgb(207, 121, 211), rgb(205, 122, 210), rgb(206, 121, 210), rgb(206, 121, 209), rgb(205, 121, 210), rgb(205, 121, 209), rgb(205, 120, 209), rgb(204, 120, 209), rgb(204, 120, 208), rgb(204, 120, 207), rgb(204, 119, 208), rgb(202, 120, 206), rgb(203, 119, 207), rgb(203, 119, 205), rgb(202, 119, 207), rgb(202, 119, 206), rgb(203, 118, 207), rgb(201, 119, 206), rgb(201, 119, 205), rgb(202, 118, 206), rgb(232, 111, 110), rgb(201, 118, 205), rgb(202, 117, 206), rgb(200, 118, 205), rgb(200, 118, 204), rgb(201, 117, 205), rgb(200, 117, 204), rgb(198, 118, 203), rgb(201, 116, 205), rgb(199, 117, 203), rgb(199, 116, 203), rgb(0, 149, 252), rgb(198, 114, 202), rgb(196, 115, 200), rgb(227, 107, 106), rgb(194, 114, 198), rgb(7, 147, 249), rgb(1, 146, 247), rgb(2, 145, 245), rgb(210, 92, 94), rgb(239, 49, 51), rgb(16, 128, 202), rgb(186, 100, 50), rgb(167, 83, 171), rgb(177, 92, 43), rgb(191, 74, 78), rgb(190, 74, 78), rgb(177, 84, 37), rgb(188, 71, 76), rgb(188, 70, 75), rgb(187, 71, 76), rgb(187, 70, 76), rgb(187, 70, 75), rgb(187, 70, 74), rgb(187, 69, 75), rgb(186, 70, 75), rgb(186, 69, 75), rgb(186, 69, 74), rgb(186, 69, 73), rgb(142, 91, 151), rgb(44, 94, 236), rgb(189, 65, 63), rgb(186, 68, 72), rgb(184, 67, 73), rgb(182, 65, 73), rgb(182, 65, 72), rgb(157, 69, 157), rgb(180, 63, 70), rgb(180, 62, 70), rgb(180, 62, 69), rgb(114, 104, 121), rgb(139, 81, 147), rgb(175, 62, 91), rgb(166, 61, 118), rgb(156, 61, 139), rgb(159, 61, 128), rgb(148, 62, 153), rgb(149, 61, 152), rgb(151, 61, 147), rgb(148, 61, 152), rgb(151, 59, 147), rgb(146, 61, 152), rgb(145, 61, 151), rgb(160, 67, 61), rgb(120, 79, 132), rgb(129, 56, 132), rgb(128, 56, 131), rgb(130, 53, 133), rgb(129, 53, 132), rgb(148, 51, 55), rgb(115, 67, 118), rgb(145, 48, 52), rgb(120, 69, 47), rgb(135, 46, 60), rgb(24, 37, 207), rgb(0, 82, 116), rgb(109, 49, 115), rgb(93, 62, 106), rgb(19, 78, 112), rgb(95, 55, 109), rgb(92, 70, 70), rgb(4, 77, 109), rgb(93, 52, 94), rgb(114, 38, 41), rgb(105, 38, 37), rgb(30, 45, 125), rgb(79, 44, 84), rgb(77, 44, 86), rgb(77, 44, 85), rgb(74, 50, 77), rgb(77, 42, 84), rgb(76, 42, 84), rgb(76, 41, 84), rgb(74, 43, 83), rgb(75, 42, 83), rgb(76, 39, 83), rgb(75, 40, 82), rgb(70, 47, 77), rgb(75, 39, 82), rgb(73, 40, 82), rgb(62, 44, 77), rgb(28, 56, 69), rgb(68, 39, 68), rgb(66, 36, 72), rgb(61, 46, 65), rgb(65, 37, 69), rgb(17, 52, 73), rgb(62, 38, 68), rgb(58, 43, 65), rgb(55, 41, 60), rgb(52, 35, 57), rgb(51, 34, 56), rgb(50, 34, 55), rgb(46, 35, 57), rgb(53, 36, 23), rgb(32, 41, 55), rgb(57, 30, 33), rgb(50, 27, 46), rgb(38, 35, 50), rgb(28, 37, 47), rgb(41, 23, 39), rgb(42, 28, 33), rgb(39, 22, 37), rgb(32, 28, 41), rgb(38, 22, 37), rgb(35, 21, 33), rgb(28, 17, 24)
So, anyways, regarding whether it fits.
See the areas with the background in white? Those areas won’t be displayed ingame. So if you try to use it ingame…
Actually there is way to exceed said limit, but for your Kogasa you’d need double the amount of space that said workaround grants you.
Now, on an unrelated matter, I’d like to say I’m working on something.