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Recognised as Colour

#21A024

  • #21A024
  • Green
  • Dark
  • Nearest: Forest green

#21A024 is a green with RGB values 33, 160, 36 and HSL 121°, 66%, 38%. It is a dark colour, so black text on it reaches 6.1:1 contrast (AA for normal text). The nearest named colour is Forest green.

Colour values

#21A024#21A024
HEX#21A024
RGBrgb(33, 160, 36)
RGB (0–1)0.1294, 0.6275, 0.1412
RGB percentages12.9%, 62.7%, 14.1%
HSLhsl(121.4, 65.8%, 37.8%)
HSV / HSBhsv(121.4, 79.4%, 62.7%)
CMYK79.4%, 0%, 77.5%, 37.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,203,684
CSS custom property--colour: #21A024;

Brightness & contrast

Relative luminance0.25592WCAG 2.x, 0 is black and 1 is white
Perceived brightness124.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.12:1
Contrast with white3.43:1WCAG normal text: Fail
Contrast with black6.12:1WCAG normal text: AA
Greyscale equivalent#7C7C7C
Inverted#DE5FDB

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A39005no red cones; affects about 1% of men; ΔE 52.5 from the original
Deuteranopia#968732no green cones; the most common form, about 1% of men; ΔE 52 from the original
Tritanopia#009B89no blue cones; rare, and affects men and women equally; ΔE 54.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.43:1WCAG large text: AA
Contrast with black, large text6.12:1WCAG large text: AAA

Named colours

Forest green · ΔE 11.7Green · ΔE 12.5Limegreen · ΔE 21Dark green · ΔE 26.8Olivedrab · ΔE 28.4Medium seagreen · ΔE 29.3
Nearest named CSS colourForest green (#228B22)ΔE 11.69, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A0219D
Analogous#5DA021, #21A064
Triadic#2421A0, #A02421
Split complementary#6321A0, #A0215E
Tetradic#215DA0, #A0219D, #A06421

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A1ECA3
Lighter +30%#77E37A
Lighter +20%#4DDA50
Lighter +10%#2ACA2E
Darker −10%#18761A
Darker −20%#104B11
Darker −30%#072107
Darker −40%#000000
More saturated +25%#09B80D
Less saturated −25%#39883B

Channel breakdown

R33
G160
B36
Red33 (12.9%)
Green160 (62.7%)
Blue36 (14.1%)
Hue121.42°
Saturation (HSL)65.8%
Lightness37.84%
Dominant channelGreen
Hex per channelR 21 · G A0 · B 24

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Every value on this page was computed from “21a024” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.