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Recognised as Colour

#28491F

  • #28491F
  • Green
  • Dark
  • Nearest: Dark olivegreen

#28491F is a green with RGB values 40, 73, 31 and HSL 107°, 40%, 20%. It is a dark colour, so white text on it reaches 10.2:1 contrast (AAA for normal text). The nearest named colour is Dark olivegreen.

Colour values

#28491F#28491F
HEX#28491F
RGBrgb(40, 73, 31)
RGB (0–1)0.1569, 0.2863, 0.1216
RGB percentages15.7%, 28.6%, 12.2%
HSLhsl(107.1, 40.4%, 20.4%)
HSV / HSBhsv(107.1, 57.5%, 28.6%)
CMYK45.2%, 0%, 57.5%, 71.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,640,159
CSS custom property--colour: #28491F;

Brightness & contrast

Relative luminance0.05315WCAG 2.x, 0 is black and 1 is white
Perceived brightness61 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.18:1
Contrast with white10.18:1WCAG normal text: AAA
Contrast with black2.06:1WCAG normal text: Fail
Greyscale equivalent#3F3F3F
Inverted#D7B6E0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4B431Bno red cones; affects about 1% of men; ΔE 19.5 from the original
Deuteranopia#464022no green cones; the most common form, about 1% of men; ΔE 19.3 from the original
Tritanopia#26473Fno blue cones; rare, and affects men and women equally; ΔE 21.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.18:1WCAG large text: AAA
Contrast with black, large text2.06:1WCAG large text: Fail

Named colours

Dark olivegreen · ΔE 17.6Dark slate grey · ΔE 27.1Sea green · ΔE 30Dark green · ΔE 31.2Dim grey · ΔE 34.6Teal · ΔE 36.9
Nearest named CSS colourDark olivegreen (#556B2F)ΔE 17.57, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#401F49
Analogous#3D491F, #1F492B
Triadic#1F2849, #491F28
Split complementary#2B1F49, #491F3D
Tetradic#1F3D49, #401F49, #492B1F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#83C371
Lighter +30%#63B44D
Lighter +20%#4F913D
Lighter +10%#3C6D2E
Darker −10%#142510
Darker −20%#010101
Darker −30%#000000
Darker −40%#000000
More saturated +25%#215612
Less saturated −25%#2F3C2C

Channel breakdown

R40
G73
B31
Red40 (15.7%)
Green73 (28.6%)
Blue31 (12.2%)
Hue107.14°
Saturation (HSL)40.38%
Lightness20.39%
Dominant channelGreen
Hex per channelR 28 · G 49 · B 1F

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Every value on this page was computed from “28491f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.