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Colour

#337E4B

  • #337E4B
  • Green
  • Dark
  • Nearest: Sea green

#337E4B is a green with RGB values 51, 126, 75 and HSL 139°, 42%, 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

#337E4B#337E4B
HEX#337E4B
RGBrgb(51, 126, 75)
RGB (0–1)0.2, 0.4941, 0.2941
RGB percentages20%, 49.4%, 29.4%
HSLhsl(139.2, 42.4%, 34.7%)
HSV / HSBhsv(139.2, 59.5%, 49.4%)
CMYK59.5%, 0%, 40.5%, 50.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,374,667
CSS custom property--colour: #337E4B;

Brightness & contrast

Relative luminance0.16134WCAG 2.x, 0 is black and 1 is white
Perceived brightness103.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.97:1
Contrast with white4.97:1WCAG normal text: AA
Contrast with black4.23:1WCAG normal text: Fail
Greyscale equivalent#6A6A6A
Inverted#CC81B4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7E7447no red cones; affects about 1% of men; ΔE 32.8 from the original
Deuteranopia#746D4Eno green cones; the most common form, about 1% of men; ΔE 33 from the original
Tritanopia#1E7C71no blue cones; rare, and affects men and women equally; ΔE 23.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.97:1WCAG large text: AAA
Contrast with black, large text4.23:1WCAG large text: AA

Named colours

Sea green · ΔE 6.2Dark olivegreen · ΔE 19.8Medium seagreen · ΔE 22.4Dark green · ΔE 24.9Dark seagreen · ΔE 27.7Forest green · ΔE 28.1
Nearest named CSS colourSea green (#2E8B57)ΔE 6.23, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7E3366
Analogous#417E33, #337E71
Triadic#4B337E, #7E4B33
Split complementary#71337E, #7E3340
Tetradic#33407E, #7E3366, #7E7033

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A3DAB5
Lighter +30%#7FCB97
Lighter +20%#5BBC7A
Lighter +10%#42A261
Darker −10%#245A35
Darker −20%#163520
Darker −30%#07110A
Darker −40%#000000
More saturated +25%#1D9443
Less saturated −25%#496853

Channel breakdown

R51
G126
B75
Red51 (20%)
Green126 (49.4%)
Blue75 (29.4%)
Hue139.2°
Saturation (HSL)42.37%
Lightness34.71%
Dominant channelGreen
Hex per channelR 33 · G 7E · B 4B

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Every value on this page was computed from “337e4b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.