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Recognised as Colour

#337F39

  • #337F39
  • Green
  • Dark
  • Nearest: Sea green

#337F39 is a green with RGB values 51, 127, 57 and HSL 125°, 43%, 35%. It is a dark colour, so white text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Sea green.

Colour values

#337F39#337F39
HEX#337F39
RGBrgb(51, 127, 57)
RGB (0–1)0.2, 0.498, 0.2235
RGB percentages20%, 49.8%, 22.4%
HSLhsl(124.7, 42.7%, 34.9%)
HSV / HSBhsv(124.7, 59.8%, 49.8%)
CMYK59.8%, 0%, 55.1%, 50.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,374,905
CSS custom property--colour: #337F39;

Brightness & contrast

Relative luminance0.16178WCAG 2.x, 0 is black and 1 is white
Perceived brightness103 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.96:1
Contrast with white4.96:1WCAG normal text: AA
Contrast with black4.24:1WCAG normal text: Fail
Greyscale equivalent#6A6A6A
Inverted#CC80C6

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#817433no red cones; affects about 1% of men; ΔE 35.8 from the original
Deuteranopia#776D3Eno green cones; the most common form, about 1% of men; ΔE 35.9 from the original
Tritanopia#247C6Fno blue cones; rare, and affects men and women equally; ΔE 32.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.96:1WCAG large text: AAA
Contrast with black, large text4.24:1WCAG large text: AA

Named colours

Sea green · ΔE 11.7Dark green · ΔE 16.2Forest green · ΔE 18.1Dark olivegreen · ΔE 20.6Medium seagreen · ΔE 21.4Olivedrab · ΔE 22.8
Nearest named CSS colourSea green (#2E8B57)ΔE 11.7, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7F3379
Analogous#537F33, #337F5F
Triadic#39337F, #7F3933
Split complementary#5F337F, #7F3353
Tetradic#33537F, #7F3379, #7F5F33

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A4DAA8
Lighter +30%#7FCC85
Lighter +20%#5BBD63
Lighter +10%#42A349
Darker −10%#245B29
Darker −20%#163618
Darker −30%#071208
Darker −40%#000000
More saturated +25%#1D9526
Less saturated −25%#49694C

Channel breakdown

R51
G127
B57
Red51 (20%)
Green127 (49.8%)
Blue57 (22.4%)
Hue124.74°
Saturation (HSL)42.7%
Lightness34.9%
Dominant channelGreen
Hex per channelR 33 · G 7F · B 39

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Every value on this page was computed from “337f39” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.