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Recognised as Colour

#21911D

  • #21911D
  • Green
  • Dark
  • Nearest: Forest green

#21911D is a green with RGB values 33, 145, 29 and HSL 118°, 67%, 34%. It is a dark colour, so black text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Forest green.

Colour values

#21911D#21911D
HEX#21911D
RGBrgb(33, 145, 29)
RGB (0–1)0.1294, 0.5686, 0.1137
RGB percentages12.9%, 56.9%, 11.4%
HSLhsl(117.9, 66.7%, 34.1%)
HSV / HSBhsv(117.9, 80%, 56.9%)
CMYK77.2%, 0%, 80%, 43.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,199,837
CSS custom property--colour: #21911D;

Brightness & contrast

Relative luminance0.20663WCAG 2.x, 0 is black and 1 is white
Perceived brightness113 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.13:1
Contrast with white4.09:1WCAG normal text: Fail
Contrast with black5.13:1WCAG normal text: AA
Greyscale equivalent#717171
Inverted#DE6EE2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#948300no red cones; affects about 1% of men; ΔE 48.2 from the original
Deuteranopia#887A2Bno green cones; the most common form, about 1% of men; ΔE 48 from the original
Tritanopia#008C7Bno blue cones; rare, and affects men and women equally; ΔE 51.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.09:1WCAG large text: AA
Contrast with black, large text5.13:1WCAG large text: AAA

Named colours

Forest green · ΔE 4.9Green · ΔE 6.5Dark green · ΔE 19.8Olivedrab · ΔE 24Medium seagreen · ΔE 27.8Limegreen · ΔE 28.1
Nearest named CSS colourForest green (#228B22)ΔE 4.91, a close match
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8D1D91
Analogous#5B911D, #1D9153
Triadic#1D2191, #911D21
Split complementary#531D91, #911D5B
Tetradic#1D5B91, #8D1D91, #91531D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#94E991
Lighter +30%#6BE167
Lighter +20%#41D83C
Lighter +10%#2BBB26
Darker −10%#176715
Darker −20%#0E3C0C
Darker −30%#041104
Darker −40%#000000
More saturated +25%#0DA707
Less saturated −25%#357B33

Channel breakdown

R33
G145
B29
Red33 (12.9%)
Green145 (56.9%)
Blue29 (11.4%)
Hue117.93°
Saturation (HSL)66.67%
Lightness34.12%
Dominant channelGreen
Hex per channelR 21 · G 91 · B 1D

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Every value on this page was computed from “21911d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.