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Colour

#21613C

  • #21613C
  • Green
  • Dark
  • Nearest: Sea green

#21613C is a green with RGB values 33, 97, 60 and HSL 145°, 49%, 25%. It is a dark colour, so white text on it reaches 7.4:1 contrast (AAA for normal text). The nearest named colour is Sea green.

Colour values

#21613C#21613C
HEX#21613C
RGBrgb(33, 97, 60)
RGB (0–1)0.1294, 0.3804, 0.2353
RGB percentages12.9%, 38%, 23.5%
HSLhsl(145.3, 49.2%, 25.5%)
HSV / HSBhsv(145.3, 66%, 38%)
CMYK66%, 0%, 38.1%, 62%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,187,580
CSS custom property--colour: #21613C;

Brightness & contrast

Relative luminance0.09199WCAG 2.x, 0 is black and 1 is white
Perceived brightness79.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.39:1
Contrast with white7.39:1WCAG normal text: AAA
Contrast with black2.84:1WCAG normal text: Fail
Greyscale equivalent#515151
Inverted#DE9EC3

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#61593Ano red cones; affects about 1% of men; ΔE 28.2 from the original
Deuteranopia#58533Eno green cones; the most common form, about 1% of men; ΔE 28.1 from the original
Tritanopia#066058no blue cones; rare, and affects men and women equally; ΔE 18 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.39:1WCAG large text: AAA
Contrast with black, large text2.84:1WCAG large text: Fail

Named colours

Sea green · ΔE 18.7Dark olivegreen · ΔE 19.8Teal · ΔE 26.6Dark slate grey · ΔE 26.7Dark cyan · ΔE 29Dark green · ΔE 29.9
Nearest named CSS colourSea green (#2E8B57)ΔE 18.75, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#612146
Analogous#266121, #21615C
Triadic#3C2161, #613C21
Split complementary#5C2161, #612126
Tetradic#212661, #612146, #615C21

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7CD2A0
Lighter +30%#56C585
Lighter +20%#3BAD6B
Lighter +10%#2E8754
Darker −10%#143B24
Darker −20%#07150D
Darker −30%#000000
Darker −40%#000000
More saturated +25%#117139
Less saturated −25%#31513F

Channel breakdown

R33
G97
B60
Red33 (12.9%)
Green97 (38%)
Blue60 (23.5%)
Hue145.31°
Saturation (HSL)49.23%
Lightness25.49%
Dominant channelGreen
Hex per channelR 21 · G 61 · B 3C

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Every value on this page was computed from “21613c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.