Colour
#00917B
- #00917B
- Cyan
- Dark
- Nearest: Dark cyan
#00917B is a cyan with RGB values 0, 145, 123 and HSL 171°, 100%, 28%. It is a dark colour, so black text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Dark cyan.
Colour values
#00917B#00917B
HEX#00917B
RGBrgb(0, 145, 123)
RGB (0–1)0, 0.5686, 0.4824
RGB percentages0%, 56.9%, 48.2%
HSLhsl(170.9, 100%, 28.4%)
HSV / HSBhsv(170.9, 100%, 56.9%)
CMYK100%, 0%, 15.2%, 43.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer37,243
CSS custom property--colour: #00917B;
Brightness & contrast
Relative luminance0.21681WCAG 2.x, 0 is black and 1 is white
Perceived brightness118.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.34:1
Contrast with white3.94:1WCAG normal text: Fail
Contrast with black5.34:1WCAG normal text: AA
Greyscale equivalent#717171
Inverted#FF6E84
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.94:1WCAG large text: AA
Contrast with black, large text5.34:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#910016
Analogous#009132, #005F91
Triadic#7B0091, #917B00
Split complementary#91005F, #913200
Tetradic#320091, #910016, #5F9100
Tints, shades & saturation
Channel breakdown
R0
G145
B123
Red0 (0%)
Green145 (56.9%)
Blue123 (48.2%)
Hue170.9°
Saturation (HSL)100%
Lightness28.43%
Dominant channelGreen
Hex per channelR 00 · G 91 · B 7B
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