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Recognised as Colour

#155B27

  • #155B27
  • Green
  • Dark
  • Nearest: Dark olivegreen

#155B27 is a green with RGB values 21, 91, 39 and HSL 135°, 63%, 22%. It is a dark colour, so white text on it reaches 8.2:1 contrast (AAA for normal text). The nearest named colour is Dark olivegreen.

Colour values

#155B27#155B27
HEX#155B27
RGBrgb(21, 91, 39)
RGB (0–1)0.0824, 0.3569, 0.1529
RGB percentages8.2%, 35.7%, 15.3%
HSLhsl(135.4, 62.5%, 22%)
HSV / HSBhsv(135.4, 76.9%, 35.7%)
CMYK76.9%, 0%, 57.1%, 64.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,399,591
CSS custom property--colour: #155B27;

Brightness & contrast

Relative luminance0.07788WCAG 2.x, 0 is black and 1 is white
Perceived brightness71.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.21:1
Contrast with white8.21:1WCAG normal text: AAA
Contrast with black2.56:1WCAG normal text: Fail
Greyscale equivalent#484848
Inverted#EAA4D8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5C5222no red cones; affects about 1% of men; ΔE 31.6 from the original
Deuteranopia#544D2Bno green cones; the most common form, about 1% of men; ΔE 31.3 from the original
Tritanopia#00594Fno blue cones; rare, and affects men and women equally; ΔE 25.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.21:1WCAG large text: AAA
Contrast with black, large text2.56:1WCAG large text: Fail

Named colours

Dark olivegreen · ΔE 18.6Sea green · ΔE 19.3Dark green · ΔE 20.7Forest green · ΔE 31.5Olivedrab · ΔE 33.9Green · ΔE 34.1
Nearest named CSS colourDark olivegreen (#556B2F)ΔE 18.59, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5B1549
Analogous#265B15, #155B4A
Triadic#27155B, #5B2715
Split complementary#4A155B, #5B1526
Tetradic#15265B, #5B1549, #5B4A15

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#61DB81
Lighter +30%#38D15F
Lighter +20%#28AE4B
Lighter +10%#1F8439
Darker −10%#0B3215
Darker −20%#020803
Darker −30%#000000
Darker −40%#000000
More saturated +25%#076920
Less saturated −25%#234D2E

Channel breakdown

R21
G91
B39
Red21 (8.2%)
Green91 (35.7%)
Blue39 (15.3%)
Hue135.43°
Saturation (HSL)62.5%
Lightness21.96%
Dominant channelGreen
Hex per channelR 15 · G 5B · B 27

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Every value on this page was computed from “155b27” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.