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Recognised as Colour

#21733E

  • #21733E
  • Green
  • Dark
  • Nearest: Sea green

#21733E is a green with RGB values 33, 115, 62 and HSL 141°, 55%, 29%. It is a dark colour, so white text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Sea green.

Colour values

#21733E#21733E
HEX#21733E
RGBrgb(33, 115, 62)
RGB (0–1)0.1294, 0.451, 0.2431
RGB percentages12.9%, 45.1%, 24.3%
HSLhsl(141.2, 55.4%, 29%)
HSV / HSBhsv(141.2, 71.3%, 45.1%)
CMYK71.3%, 0%, 46.1%, 54.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,192,190
CSS custom property--colour: #21733E;

Brightness & contrast

Relative luminance0.12933WCAG 2.x, 0 is black and 1 is white
Perceived brightness92.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.86:1
Contrast with white5.86:1WCAG normal text: AA
Contrast with black3.59:1WCAG normal text: Fail
Greyscale equivalent#5E5E5E
Inverted#DE8CC1

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#73693Ano red cones; affects about 1% of men; ΔE 34.5 from the original
Deuteranopia#696242no green cones; the most common form, about 1% of men; ΔE 34.8 from the original
Tritanopia#007166no blue cones; rare, and affects men and women equally; ΔE 25.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.86:1WCAG large text: AAA
Contrast with black, large text3.59:1WCAG large text: AA

Named colours

Sea green · ΔE 9.5Dark olivegreen · ΔE 20.1Dark green · ΔE 21.4Medium seagreen · ΔE 25.2Forest green · ΔE 27Olivedrab · ΔE 31.1
Nearest named CSS colourSea green (#2E8B57)ΔE 9.51, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#732156
Analogous#2D7321, #217367
Triadic#3E2173, #733E21
Split complementary#672173, #73212D
Tetradic#212D73, #732156, #736721

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#84DCA3
Lighter +30%#5DD086
Lighter +20%#38C269
Lighter +10%#2C9B53
Darker −10%#164B29
Darker −20%#0A2413
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0F8639
Less saturated −25%#346143

Channel breakdown

R33
G115
B62
Red33 (12.9%)
Green115 (45.1%)
Blue62 (24.3%)
Hue141.22°
Saturation (HSL)55.41%
Lightness29.02%
Dominant channelGreen
Hex per channelR 21 · G 73 · B 3E

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Every value on this page was computed from “21733e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.