Recognised as Colour
#339F8F
- #339F8F
- Cyan
- Dark
- Nearest: Light seagreen
#339F8F is a cyan with RGB values 51, 159, 143 and HSL 171°, 51%, 41%. It is a dark colour, so black text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Light seagreen.
Colour values
#339F8F#339F8F
HEX#339F8F
RGBrgb(51, 159, 143)
RGB (0–1)0.2, 0.6235, 0.5608
RGB percentages20%, 62.4%, 56.1%
HSLhsl(171.1, 51.4%, 41.2%)
HSV / HSBhsv(171.1, 67.9%, 62.4%)
CMYK67.9%, 0%, 10.1%, 37.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,383,183
CSS custom property--colour: #339F8F;
Brightness & contrast
Relative luminance0.27483WCAG 2.x, 0 is black and 1 is white
Perceived brightness134 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.5:1
Contrast with white3.23:1WCAG normal text: Fail
Contrast with black6.5:1WCAG normal text: AA
Greyscale equivalent#878787
Inverted#CC6070
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.23:1WCAG large text: AA
Contrast with black, large text6.5:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#9F3343
Analogous#339F59, #33799F
Triadic#8F339F, #9F8F33
Split complementary#9F3379, #9F5933
Tetradic#59339F, #9F3343, #799F33
Tints, shades & saturation
Channel breakdown
R51
G159
B143
Red51 (20%)
Green159 (62.4%)
Blue143 (56.1%)
Hue171.11°
Saturation (HSL)51.43%
Lightness41.18%
Dominant channelGreen
Hex per channelR 33 · G 9F · B 8F
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