Colour
#128A71
- #128A71
- Cyan
- Dark
- Nearest: Dark cyan
#128A71 is a cyan with RGB values 18, 138, 113 and HSL 168°, 77%, 31%. It is a dark colour, so black text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Dark cyan.
Colour values
#128A71#128A71
HEX#128A71
RGBrgb(18, 138, 113)
RGB (0–1)0.0706, 0.5412, 0.4431
RGB percentages7.1%, 54.1%, 44.3%
HSLhsl(167.5, 76.9%, 30.6%)
HSV / HSBhsv(167.5, 87%, 54.1%)
CMYK87%, 0%, 18.1%, 45.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,215,089
CSS custom property--colour: #128A71;
Brightness & contrast
Relative luminance0.19498WCAG 2.x, 0 is black and 1 is white
Perceived brightness112.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.9:1
Contrast with white4.29:1WCAG normal text: Fail
Contrast with black4.9:1WCAG normal text: AA
Greyscale equivalent#6F6F6F
Inverted#ED758E
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.29:1WCAG large text: AA
Contrast with black, large text4.9:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#8A122B
Analogous#128A35, #12678A
Triadic#71128A, #8A7112
Split complementary#8A1267, #8A3512
Tetradic#35128A, #8A122B, #678A12
Tints, shades & saturation
Channel breakdown
R18
G138
B113
Red18 (7.1%)
Green138 (54.1%)
Blue113 (44.3%)
Hue167.5°
Saturation (HSL)76.92%
Lightness30.59%
Dominant channelGreen
Hex per channelR 12 · G 8A · B 71
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