Colour
#008B89
- #008B89
- Cyan
- Dark
- Nearest: Dark cyan
#008B89 is a cyan with RGB values 0, 139, 137 and HSL 179°, 100%, 27%. It is a dark colour, so black text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Dark cyan.
Colour values
#008B89#008B89
HEX#008B89
RGBrgb(0, 139, 137)
RGB (0–1)0, 0.5451, 0.5373
RGB percentages0%, 54.5%, 53.7%
HSLhsl(179.1, 100%, 27.3%)
HSV / HSBhsv(179.1, 100%, 54.5%)
CMYK100%, 0%, 1.4%, 45.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer35,721
CSS custom property--colour: #008B89;
Brightness & contrast
Relative luminance0.20271WCAG 2.x, 0 is black and 1 is white
Perceived brightness116.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.05:1
Contrast with white4.15:1WCAG normal text: Fail
Contrast with black5.05:1WCAG normal text: AA
Greyscale equivalent#6D6D6D
Inverted#FF7476
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.15:1WCAG large text: AA
Contrast with black, large text5.05:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#8B0002
Analogous#008B44, #00478B
Triadic#89008B, #8B8900
Split complementary#8B0047, #8B4400
Tetradic#44008B, #8B0002, #478B00
Tints, shades & saturation
Channel breakdown
R0
G139
B137
Red0 (0%)
Green139 (54.5%)
Blue137 (53.7%)
Hue179.14°
Saturation (HSL)100%
Lightness27.25%
Dominant channelGreen
Hex per channelR 00 · G 8B · B 89
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