Recognised as Colour
#63FFE6
- #63FFE6
- Cyan
- Light
- Nearest: Aquamarine
#63FFE6 is a cyan with RGB values 99, 255, 230 and HSL 170°, 100%, 69%. It is a light colour, so black text on it reaches 17:1 contrast (AAA for normal text). The nearest named colour is Aquamarine.
Colour values
#63FFE6#63FFE6
HEX#63FFE6
RGBrgb(99, 255, 230)
RGB (0–1)0.3882, 1, 0.902
RGB percentages38.8%, 100%, 90.2%
HSLhsl(170.4, 100%, 69.4%)
HSV / HSBhsv(170.4, 61.2%, 100%)
CMYK61.2%, 0%, 9.8%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,553,574
CSS custom property--colour: #63FFE6;
Brightness & contrast
Relative luminance0.79886WCAG 2.x, 0 is black and 1 is white
Perceived brightness217.1 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 16.98:1
Contrast with white1.24:1WCAG normal text: Fail
Contrast with black16.98:1WCAG normal text: AAA
Greyscale equivalent#DCDCDC
Inverted#9C0019
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.24:1WCAG large text: Fail
Contrast with black, large text16.98:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#FF637C
Analogous#63FF98, #63CAFF
Triadic#E663FF, #FFE663
Split complementary#FF63CA, #FF9863
Tetradic#9863FF, #FF637C, #CAFF63
Tints, shades & saturation
Channel breakdown
R99
G255
B230
Red99 (38.8%)
Green255 (100%)
Blue230 (90.2%)
Hue170.38°
Saturation (HSL)100%
Lightness69.41%
Dominant channelGreen
Hex per channelR 63 · G FF · B E6
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