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Recognised as Colour

#42581D

  • #42581D
  • Green
  • Dark
  • Nearest: Dark olivegreen

#42581D is a green with RGB values 66, 88, 29 and HSL 82°, 50%, 23%. It is a dark colour, so white text on it reaches 7.9:1 contrast (AAA for normal text). The nearest named colour is Dark olivegreen.

Colour values

#42581D#42581D
HEX#42581D
RGBrgb(66, 88, 29)
RGB (0–1)0.2588, 0.3451, 0.1137
RGB percentages25.9%, 34.5%, 11.4%
HSLhsl(82.4, 50.4%, 22.9%)
HSV / HSBhsv(82.4, 67%, 34.5%)
CMYK25%, 0%, 67%, 65.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,347,933
CSS custom property--colour: #42581D;

Brightness & contrast

Relative luminance0.08226WCAG 2.x, 0 is black and 1 is white
Perceived brightness77.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.94:1
Contrast with white7.94:1WCAG normal text: AAA
Contrast with black2.65:1WCAG normal text: Fail
Greyscale equivalent#4F4F4F
Inverted#BDA7E2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5D5216no red cones; affects about 1% of men; ΔE 16.4 from the original
Deuteranopia#5A5121no green cones; the most common form, about 1% of men; ΔE 15.8 from the original
Tritanopia#45544Cno blue cones; rare, and affects men and women equally; ΔE 30 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.94:1WCAG large text: AAA
Contrast with black, large text2.65:1WCAG large text: Fail

Named colours

Dark olivegreen · ΔE 7.8Dark green · ΔE 27Sea green · ΔE 29Olivedrab · ΔE 29.3Olive · ΔE 31.9Dark slate grey · ΔE 35.2
Nearest named CSS colourDark olivegreen (#556B2F)ΔE 7.78, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#331D58
Analogous#58501D, #25581D
Triadic#1D4258, #581D42
Split complementary#1D2558, #501D58
Tetradic#1D5850, #331D58, #581D25

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ADD071
Lighter +30%#96C44A
Lighter +20%#7CA536
Lighter +10%#5F7E2A
Darker −10%#253210
Darker −20%#080B04
Darker −30%#000000
Darker −40%#000000
More saturated +25%#46670E
Less saturated −25%#3E492C

Channel breakdown

R66
G88
B29
Red66 (25.9%)
Green88 (34.5%)
Blue29 (11.4%)
Hue82.37°
Saturation (HSL)50.43%
Lightness22.94%
Dominant channelGreen
Hex per channelR 42 · G 58 · B 1D

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Every value on this page was computed from “42581d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.