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Recognised as Colour

#66970A

  • #66970A
  • Green
  • Dark
  • Nearest: Olivedrab

#66970A is a green with RGB values 102, 151, 10 and HSL 81°, 88%, 32%. It is a dark colour, so black text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Olivedrab.

Colour values

#66970A#66970A
HEX#66970A
RGBrgb(102, 151, 10)
RGB (0–1)0.4, 0.5922, 0.0392
RGB percentages40%, 59.2%, 3.9%
HSLhsl(80.9, 87.6%, 31.6%)
HSV / HSBhsv(80.9, 93.4%, 59.2%)
CMYK32.5%, 0%, 93.4%, 40.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,723,338
CSS custom property--colour: #66970A;

Brightness & contrast

Relative luminance0.2498WCAG 2.x, 0 is black and 1 is white
Perceived brightness128.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6:1
Contrast with white3.5:1WCAG normal text: Fail
Contrast with black6:1WCAG normal text: AA
Greyscale equivalent#828282
Inverted#9968F5

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#9F8B00no red cones; affects about 1% of men; ΔE 31.2 from the original
Deuteranopia#988820no green cones; the most common form, about 1% of men; ΔE 30.4 from the original
Tritanopia#699080no blue cones; rare, and affects men and women equally; ΔE 57.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.5:1WCAG large text: AA
Contrast with black, large text6:1WCAG large text: AAA

Named colours

Olivedrab · ΔE 11.4Forest green · ΔE 20.4Green · ΔE 21.3Yellow green · ΔE 21.4Olive · ΔE 23.1Dark green · ΔE 27.7
Nearest named CSS colourOlivedrab (#6B8E23)ΔE 11.39, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3B0A97
Analogous#97820A, #20970A
Triadic#0A6697, #970A66
Split complementary#0A2097, #810A97
Tetradic#0A9782, #3B0A97, #970A20

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CAF677
Lighter +30%#B7F347
Lighter +20%#A4F017
Lighter +10%#86C70D
Darker −10%#466707
Darker −20%#253704
Darker −30%#050800
Darker −40%#000000
More saturated +25%#69A100
Less saturated −25%#60831E

Channel breakdown

R102
G151
B10
Red102 (40%)
Green151 (59.2%)
Blue10 (3.9%)
Hue80.85°
Saturation (HSL)87.58%
Lightness31.57%
Dominant channelGreen
Hex per channelR 66 · G 97 · B 0A

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Every value on this page was computed from “66970a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.