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Recognised as Colour

#21A624

  • #21A624
  • Green
  • Dark
  • Nearest: Forest green

#21A624 is a green with RGB values 33, 166, 36 and HSL 121°, 67%, 39%. It is a dark colour, so black text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Forest green.

Colour values

#21A624#21A624
HEX#21A624
RGBrgb(33, 166, 36)
RGB (0–1)0.1294, 0.651, 0.1412
RGB percentages12.9%, 65.1%, 14.1%
HSLhsl(121.4, 66.8%, 39%)
HSV / HSBhsv(121.4, 80.1%, 65.1%)
CMYK80.1%, 0%, 78.3%, 34.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,205,220
CSS custom property--colour: #21A624;

Brightness & contrast

Relative luminance0.27723WCAG 2.x, 0 is black and 1 is white
Perceived brightness129 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.54:1
Contrast with white3.21:1WCAG normal text: Fail
Contrast with black6.54:1WCAG normal text: AA
Greyscale equivalent#808080
Inverted#DE59DB

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#AA9601no red cones; affects about 1% of men; ΔE 54.4 from the original
Deuteranopia#9B8C33no green cones; the most common form, about 1% of men; ΔE 53.5 from the original
Tritanopia#00A18Eno blue cones; rare, and affects men and women equally; ΔE 56.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.21:1WCAG large text: AA
Contrast with black, large text6.54:1WCAG large text: AAA

Named colours

Forest green · ΔE 15.1Green · ΔE 15.3Limegreen · ΔE 17.7Yellow green · ΔE 29.6Dark green · ΔE 30.1Olivedrab · ΔE 30.8
Nearest named CSS colourForest green (#228B22)ΔE 15.05, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A621A3
Analogous#61A621, #21A666
Triadic#2421A6, #A62421
Split complementary#6621A6, #A62161
Tetradic#2161A6, #A621A3, #A66621

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A6EDA7
Lighter +30%#7BE57E
Lighter +20%#51DC54
Lighter +10%#29D12D
Darker −10%#197B1B
Darker −20%#105112
Darker −30%#082608
Darker −40%#000000
More saturated +25%#08BF0C
Less saturated −25%#3A8D3C

Channel breakdown

R33
G166
B36
Red33 (12.9%)
Green166 (65.1%)
Blue36 (14.1%)
Hue121.35°
Saturation (HSL)66.83%
Lightness39.02%
Dominant channelGreen
Hex per channelR 21 · G A6 · B 24

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Every value on this page was computed from “21a624” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.