Var lightRatio = (lightDiff / (lightDiff + darkDiff)) If (!(ColorContrast(backgroundColor, textColor) = ratio) See if we have good enough contrast already Var textL = RelativeLuminance(textColor) Var backL = RelativeLuminance(backgroundColor) public Color GetContrastingColors(Color backgroundColor, Color textColor, float ratio) While slugolicious's answer was close to what I wanted, I found that adjust all the RGB components by the same amount was not what I wanted as is actually affected the hue, so I ended up using HSV instead. I ended up using a loop after all for my code. Now, I could go through each theme manually, but given the number of them, I'd prefer to write an algorithm that generates the updated colors on the fly. The two new colors then have a color contrast of 4.51 : 1. If we reduce it to #251B2D, we then end up with this: So now I want to scale down the brightness of #32263d. While better than before, this is only a contrast of 3.88 : 1 still. If we set #7347b6 to the maximum brightness at #a163ff, we get the following pair now: We can see how it'd look in the various levels of light, here: While I could try to randomly create a shade of purple similar, I want to keep it as close to the original as possible and just brighten it. Moving along with the example, in this case, we're going to be using #32263d and #7347b6 to build our UI. Now each theme contains a darker and lighter color just like the center 2 rows in this example, but also like this example, their contrast may not always be accessible for the end user to read. However, not all of them are easily distinguishable, you can see the various contrasts in this case here: I want to incorporate 2 of those colors from their theme when creating a UI for them. To give more context to what I'm trying to do, imagine I have the following set of 4 colors as the player's theme. TextL = RelativeLuminance(adjustedColor) īut that's not really efficient, so how can I manipulate the text color so that it "remains the same" but provides enough contrast? While ((!brighter & textL > targetL) || (brighter & textL < targetL))Ĭolor.RGBToHSV(adjustedColor, out var textH, out var textS, out var textV) ĪdjustedColor = Color.HSVToRGB(textH, textS, textV) I can currently check the contrast with the following: float RelativeLuminance(Color color) However, I'm running into an issue where not all color themes have colors that provide a good contrast ratio as outlined in 1.4.3 Contrast (Minimum) of Web Content Accessibility Guidelines (WCAG) 2.1.
#Luminosity color match game mod
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#Luminosity color match game update
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