Colour
#63AAA9
- #63AAA9
- Cyan
- Dark
- Nearest: Cadetblue
#63AAA9 is a cyan with RGB values 99, 170, 169 and HSL 179°, 29%, 53%. It is a dark colour, so black text on it reaches 7.9:1 contrast (AAA for normal text). The nearest named colour is Cadetblue.
Colour values
#63AAA9#63AAA9
HEX#63AAA9
RGBrgb(99, 170, 169)
RGB (0–1)0.3882, 0.6667, 0.6627
RGB percentages38.8%, 66.7%, 66.3%
HSLhsl(179.2, 29.5%, 52.7%)
HSV / HSBhsv(179.2, 41.8%, 66.7%)
CMYK41.8%, 0%, 0.6%, 33.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,531,753
CSS custom property--colour: #63AAA9;
Brightness & contrast
Relative luminance0.34267WCAG 2.x, 0 is black and 1 is white
Perceived brightness152.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.85:1
Contrast with white2.67:1WCAG normal text: Fail
Contrast with black7.85:1WCAG normal text: AAA
Greyscale equivalent#9B9B9B
Inverted#9C5556
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.67:1WCAG large text: Fail
Contrast with black, large text7.85:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#AA6364
Analogous#63AA86, #6387AA
Triadic#A963AA, #AAA963
Split complementary#AA6387, #AA8663
Tetradic#8663AA, #AA6364, #87AA63
Tints, shades & saturation
Channel breakdown
R99
G170
B169
Red99 (38.8%)
Green170 (66.7%)
Blue169 (66.3%)
Hue179.15°
Saturation (HSL)29.46%
Lightness52.75%
Dominant channelGreen
Hex per channelR 63 · G AA · B A9
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