Colour
#228B68
- #228B68
- Cyan
- Dark
- Nearest: Sea green
#228B68 is a cyan with RGB values 34, 139, 104 and HSL 160°, 61%, 34%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Sea green.
Colour values
#228B68#228B68
HEX#228B68
RGBrgb(34, 139, 104)
RGB (0–1)0.1333, 0.5451, 0.4078
RGB percentages13.3%, 54.5%, 40.8%
HSLhsl(160, 60.7%, 33.9%)
HSV / HSBhsv(160, 75.5%, 54.5%)
CMYK75.5%, 0%, 25.2%, 45.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,263,912
CSS custom property--colour: #228B68;
Brightness & contrast
Relative luminance0.19805WCAG 2.x, 0 is black and 1 is white
Perceived brightness113.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.96:1
Contrast with white4.23:1WCAG normal text: Fail
Contrast with black4.96:1WCAG normal text: AA
Greyscale equivalent#727272
Inverted#DD7497
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.23:1WCAG large text: AA
Contrast with black, large text4.96:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#8B2245
Analogous#228B33, #227A8B
Triadic#68228B, #8B6822
Split complementary#8B2279, #8B3322
Tetradic#34228B, #8B2245, #798B22
Tints, shades & saturation
Channel breakdown
R34
G139
B104
Red34 (13.3%)
Green139 (54.5%)
Blue104 (40.8%)
Hue160°
Saturation (HSL)60.69%
Lightness33.92%
Dominant channelGreen
Hex per channelR 22 · G 8B · B 68
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