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Colour

#156B21

  • #156B21
  • Green
  • Dark
  • Nearest: Dark green

#156B21 is a green with RGB values 21, 107, 33 and HSL 128°, 67%, 25%. It is a dark colour, so white text on it reaches 6.7:1 contrast (AA for normal text). The nearest named colour is Dark green.

Colour values

#156B21#156B21
HEX#156B21
RGBrgb(21, 107, 33)
RGB (0–1)0.0824, 0.4196, 0.1294
RGB percentages8.2%, 42%, 12.9%
HSLhsl(128.4, 67.2%, 25.1%)
HSV / HSBhsv(128.4, 80.4%, 42%)
CMYK80.4%, 0%, 69.2%, 58%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,403,681
CSS custom property--colour: #156B21;

Brightness & contrast

Relative luminance0.10785WCAG 2.x, 0 is black and 1 is white
Perceived brightness83.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.65:1
Contrast with white6.65:1WCAG normal text: AA
Contrast with black3.16:1WCAG normal text: Fail
Greyscale equivalent#535353
Inverted#EA94DE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6D6018no red cones; affects about 1% of men; ΔE 38 from the original
Deuteranopia#635A28no green cones; the most common form, about 1% of men; ΔE 37.3 from the original
Tritanopia#00685Cno blue cones; rare, and affects men and women equally; ΔE 36 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.65:1WCAG large text: AAA
Contrast with black, large text3.16:1WCAG large text: AA

Named colours

Dark green · ΔE 9.4Sea green · ΔE 18.2Forest green · ΔE 18.5Green · ΔE 21Dark olivegreen · ΔE 22.2Olivedrab · ΔE 25.7
Nearest named CSS colourDark green (#006400)ΔE 9.37, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6B155F
Analogous#346B15, #156B4C
Triadic#21156B, #6B2115
Split complementary#4C156B, #6B1534
Tetradic#15346B, #6B155F, #6B4C15

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6AE27B
Lighter +30%#40D955
Lighter +20%#26C03B
Lighter +10%#1D962E
Darker −10%#0D4014
Darker −20%#041607
Darker −30%#000000
Darker −40%#000000
More saturated +25%#057B15
Less saturated −25%#255B2D

Channel breakdown

R21
G107
B33
Red21 (8.2%)
Green107 (42%)
Blue33 (12.9%)
Hue128.37°
Saturation (HSL)67.19%
Lightness25.1%
Dominant channelGreen
Hex per channelR 15 · G 6B · B 21

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Every value on this page was computed from “156b21” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.