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Recognised as Colour

#166D1B

  • #166D1B
  • Green
  • Dark
  • Nearest: Dark green

#166D1B is a green with RGB values 22, 109, 27 and HSL 123°, 66%, 26%. It is a dark colour, so white text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Dark green.

Colour values

#166D1B#166D1B
HEX#166D1B
RGBrgb(22, 109, 27)
RGB (0–1)0.0863, 0.4275, 0.1059
RGB percentages8.6%, 42.7%, 10.6%
HSLhsl(123.4, 66.4%, 25.7%)
HSV / HSBhsv(123.4, 79.8%, 42.7%)
CMYK79.8%, 0%, 75.2%, 57.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,469,723
CSS custom property--colour: #166D1B;

Brightness & contrast

Relative luminance0.11187WCAG 2.x, 0 is black and 1 is white
Perceived brightness84.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.49:1
Contrast with white6.49:1WCAG normal text: AA
Contrast with black3.24:1WCAG normal text: Fail
Greyscale equivalent#555555
Inverted#E992E4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6F620Dno red cones; affects about 1% of men; ΔE 38.8 from the original
Deuteranopia#665B23no green cones; the most common form, about 1% of men; ΔE 39 from the original
Tritanopia#006A5Dno blue cones; rare, and affects men and women equally; ΔE 38.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.49:1WCAG large text: AAA
Contrast with black, large text3.24:1WCAG large text: AA

Named colours

Dark green · ΔE 6.5Forest green · ΔE 15.6Green · ΔE 17.6Sea green · ΔE 20.5Olivedrab · ΔE 23.9Dark olivegreen · ΔE 24
Nearest named CSS colourDark green (#006400)ΔE 6.46, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6D1668
Analogous#3D6D16, #166D46
Triadic#1B166D, #6D1B16
Split complementary#47166D, #6D163C
Tetradic#163D6D, #6D1668, #6D4616

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6DE274
Lighter +30%#43D94C
Lighter +20%#27C230
Lighter +10%#1F9726
Darker −10%#0D4310
Darker −20%#051806
Darker −30%#000000
Darker −40%#000000
More saturated +25%#067D0D
Less saturated −25%#265D29

Channel breakdown

R22
G109
B27
Red22 (8.6%)
Green109 (42.7%)
Blue27 (10.6%)
Hue123.45°
Saturation (HSL)66.41%
Lightness25.69%
Dominant channelGreen
Hex per channelR 16 · G 6D · B 1B

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Every value on this page was computed from “166d1b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.