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Colour

#37421B

  • #37421B
  • Green
  • Dark
  • Nearest: Dark olivegreen

#37421B is a green with RGB values 55, 66, 27 and HSL 77°, 42%, 18%. It is a dark colour, so white text on it reaches 10.7:1 contrast (AAA for normal text). The nearest named colour is Dark olivegreen.

Colour values

#37421B#37421B
HEX#37421B
RGBrgb(55, 66, 27)
RGB (0–1)0.2157, 0.2588, 0.1059
RGB percentages21.6%, 25.9%, 10.6%
HSLhsl(76.9, 41.9%, 18.2%)
HSV / HSBhsv(76.9, 59.1%, 25.9%)
CMYK16.7%, 0%, 59.1%, 74.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,621,403
CSS custom property--colour: #37421B;

Brightness & contrast

Relative luminance0.04788WCAG 2.x, 0 is black and 1 is white
Perceived brightness59.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.73:1
Contrast with white10.73:1WCAG normal text: AAA
Contrast with black1.96:1WCAG normal text: Fail
Greyscale equivalent#3D3D3D
Inverted#C8BDE4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#463E17no red cones; affects about 1% of men; ΔE 9.9 from the original
Deuteranopia#443E1Dno green cones; the most common form, about 1% of men; ΔE 9.1 from the original
Tritanopia#3A3F39no blue cones; rare, and affects men and women equally; ΔE 20.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.73:1WCAG large text: AAA
Contrast with black, large text1.96:1WCAG large text: Fail

Named colours

Dark olivegreen · ΔE 19.6Dark slate grey · ΔE 26.2Dim grey · ΔE 30.9Black · ΔE 36.1Gray · ΔE 37.1Sea green · ΔE 37.8
Nearest named CSS colourDark olivegreen (#556B2F)ΔE 19.57, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#261B42
Analogous#42391B, #24421B
Triadic#1B3742, #421B37
Split complementary#1B2442, #3A1B42
Tetradic#1B423A, #261B42, #421B24

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A8C168
Lighter +30%#91AF47
Lighter +20%#738A39
Lighter +10%#55662A
Darker −10%#191E0C
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#3C4E0F
Less saturated −25%#323627

Channel breakdown

R55
G66
B27
Red55 (21.6%)
Green66 (25.9%)
Blue27 (10.6%)
Hue76.92°
Saturation (HSL)41.94%
Lightness18.24%
Dominant channelGreen
Hex per channelR 37 · G 42 · B 1B

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Every value on this page was computed from “37421b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.