Recognised as Colour
#0099A8
- #0099A8
- Cyan
- Dark
- Nearest: Dark cyan
#0099A8 is a cyan with RGB values 0, 153, 168 and HSL 185°, 100%, 33%. It is a dark colour, so black text on it reaches 6.1:1 contrast (AA for normal text). The nearest named colour is Dark cyan.
Colour values
#0099A8#0099A8
HEX#0099A8
RGBrgb(0, 153, 168)
RGB (0–1)0, 0.6, 0.6588
RGB percentages0%, 60%, 65.9%
HSLhsl(185.4, 100%, 32.9%)
HSV / HSBhsv(185.4, 100%, 65.9%)
CMYK100%, 8.9%, 0%, 34.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer39,336
CSS custom property--colour: #0099A8;
Brightness & contrast
Relative luminance0.2561WCAG 2.x, 0 is black and 1 is white
Perceived brightness130.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.12:1
Contrast with white3.43:1WCAG normal text: Fail
Contrast with black6.12:1WCAG normal text: AA
Greyscale equivalent#7A7A7A
Inverted#FF6657
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.43:1WCAG large text: AA
Contrast with black, large text6.12:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#A80F00
Analogous#00A863, #0045A8
Triadic#A80099, #99A800
Split complementary#A80045, #A86300
Tetradic#6300A8, #A80F00, #45A800
Tints, shades & saturation
Channel breakdown
R0
G153
B168
Red0 (0%)
Green153 (60%)
Blue168 (65.9%)
Hue185.36°
Saturation (HSL)100%
Lightness32.94%
Dominant channelBlue
Hex per channelR 00 · G 99 · B A8
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