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Recognised as Colour

#21300A

  • #21300A
  • Green
  • Dark
  • Nearest: Dark olivegreen

#21300A is a green with RGB values 33, 48, 10 and HSL 84°, 66%, 11%. It is a dark colour, so white text on it reaches 14.1:1 contrast (AAA for normal text). The nearest named colour is Dark olivegreen.

Colour values

#21300A#21300A
HEX#21300A
RGBrgb(33, 48, 10)
RGB (0–1)0.1294, 0.1882, 0.0392
RGB percentages12.9%, 18.8%, 3.9%
HSLhsl(83.7, 65.5%, 11.4%)
HSV / HSBhsv(83.7, 79.2%, 18.8%)
CMYK31.3%, 0%, 79.2%, 81.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,174,986
CSS custom property--colour: #21300A;

Brightness & contrast

Relative luminance0.02459WCAG 2.x, 0 is black and 1 is white
Perceived brightness41.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.08:1
Contrast with white14.08:1WCAG normal text: AAA
Contrast with black1.49:1WCAG normal text: Fail
Greyscale equivalent#2A2A2A
Inverted#DECFF5

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#332C06no red cones; affects about 1% of men; ΔE 11.9 from the original
Deuteranopia#312B0Dno green cones; the most common form, about 1% of men; ΔE 11.9 from the original
Tritanopia#222D28no blue cones; rare, and affects men and women equally; ΔE 20.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.08:1WCAG large text: AAA
Contrast with black, large text1.49:1WCAG large text: Fail

Named colours

Dark olivegreen · ΔE 26.8Dark slate grey · ΔE 28.2Black · ΔE 30.7Dim grey · ΔE 36.6Dark green · ΔE 40.7Sea green · ΔE 42.7
Nearest named CSS colourDark olivegreen (#556B2F)ΔE 26.82, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#190A30
Analogous#302C0A, #0E300A
Triadic#0A2130, #300A21
Split complementary#0A0E30, #2C0A30
Tetradic#0A302C, #190A30, #300A0E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#94D432
Lighter +30%#78AF24
Lighter +20%#5B841C
Lighter +10%#3E5A13
Darker −10%#040601
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#233703
Less saturated −25%#1F2911

Channel breakdown

R33
G48
B10
Red33 (12.9%)
Green48 (18.8%)
Blue10 (3.9%)
Hue83.68°
Saturation (HSL)65.52%
Lightness11.37%
Dominant channelGreen
Hex per channelR 21 · G 30 · B 0A

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Every value on this page was computed from “21300a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.