Colour
#17887C
- #17887C
- Cyan
- Dark
- Nearest: Dark cyan
#17887C is a cyan with RGB values 23, 136, 124 and HSL 174°, 71%, 31%. It is a dark colour, so black text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Dark cyan.
Colour values
#17887C#17887C
HEX#17887C
RGBrgb(23, 136, 124)
RGB (0–1)0.0902, 0.5333, 0.4863
RGB percentages9%, 53.3%, 48.6%
HSLhsl(173.6, 71.1%, 31.2%)
HSV / HSBhsv(173.6, 83.1%, 53.3%)
CMYK83.1%, 0%, 8.8%, 46.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,542,268
CSS custom property--colour: #17887C;
Brightness & contrast
Relative luminance0.19246WCAG 2.x, 0 is black and 1 is white
Perceived brightness113 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.85:1
Contrast with white4.33:1WCAG normal text: Fail
Contrast with black4.85:1WCAG normal text: AA
Greyscale equivalent#6F6F6F
Inverted#E87783
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.33:1WCAG large text: AA
Contrast with black, large text4.85:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#881723
Analogous#178844, #175B88
Triadic#7C1788, #887C17
Split complementary#88175B, #884417
Tetradic#441788, #881723, #5B8817
Tints, shades & saturation
Channel breakdown
R23
G136
B124
Red23 (9%)
Green136 (53.3%)
Blue124 (48.6%)
Hue173.63°
Saturation (HSL)71.07%
Lightness31.18%
Dominant channelGreen
Hex per channelR 17 · G 88 · B 7C
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