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Colour

#28591F

  • #28591F
  • Green
  • Dark
  • Nearest: Dark olivegreen

#28591F is a green with RGB values 40, 89, 31 and HSL 111°, 48%, 24%. It is a dark colour, so white text on it reaches 8.3:1 contrast (AAA for normal text). The nearest named colour is Dark olivegreen.

Colour values

#28591F#28591F
HEX#28591F
RGBrgb(40, 89, 31)
RGB (0–1)0.1569, 0.349, 0.1216
RGB percentages15.7%, 34.9%, 12.2%
HSLhsl(110.7, 48.3%, 23.5%)
HSV / HSBhsv(110.7, 65.2%, 34.9%)
CMYK55.1%, 0%, 65.2%, 65.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,644,255
CSS custom property--colour: #28591F;

Brightness & contrast

Relative luminance0.07695WCAG 2.x, 0 is black and 1 is white
Perceived brightness72.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.27:1
Contrast with white8.27:1WCAG normal text: AAA
Contrast with black2.54:1WCAG normal text: Fail
Greyscale equivalent#4A4A4A
Inverted#D7A6E0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5B5119no red cones; affects about 1% of men; ΔE 26.5 from the original
Deuteranopia#554D24no green cones; the most common form, about 1% of men; ΔE 26.5 from the original
Tritanopia#23564Dno blue cones; rare, and affects men and women equally; ΔE 29.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.27:1WCAG large text: AAA
Contrast with black, large text2.54:1WCAG large text: Fail

Named colours

Dark olivegreen · ΔE 13.9Dark green · ΔE 20Sea green · ΔE 22.5Olivedrab · ΔE 30.4Forest green · ΔE 31.7Green · ΔE 34
Nearest named CSS colourDark olivegreen (#556B2F)ΔE 13.93, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#501F59
Analogous#45591F, #1F5933
Triadic#1F2859, #591F28
Split complementary#331F59, #591F45
Tetradic#1F4559, #501F59, #59331F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#83CF75
Lighter +30%#61C24F
Lighter +20%#4AA539
Lighter +10%#397F2C
Darker −10%#173312
Darker −20%#060D05
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1E6810
Less saturated −25%#324A2E

Channel breakdown

R40
G89
B31
Red40 (15.7%)
Green89 (34.9%)
Blue31 (12.2%)
Hue110.69°
Saturation (HSL)48.33%
Lightness23.53%
Dominant channelGreen
Hex per channelR 28 · G 59 · B 1F

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Every value on this page was computed from “28591f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.