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Recognised as Colour

#66990A

  • #66990A
  • Green
  • Dark
  • Nearest: Olivedrab

#66990A is a green with RGB values 102, 153, 10 and HSL 81°, 88%, 32%. It is a dark colour, so black text on it reaches 6.1:1 contrast (AA for normal text). The nearest named colour is Olivedrab.

Colour values

#66990A#66990A
HEX#66990A
RGBrgb(102, 153, 10)
RGB (0–1)0.4, 0.6, 0.0392
RGB percentages40%, 60%, 3.9%
HSLhsl(81.4, 87.7%, 32%)
HSV / HSBhsv(81.4, 93.5%, 60%)
CMYK33.3%, 0%, 93.5%, 40%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,723,850
CSS custom property--colour: #66990A;

Brightness & contrast

Relative luminance0.25629WCAG 2.x, 0 is black and 1 is white
Perceived brightness129.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.13:1
Contrast with white3.43:1WCAG normal text: Fail
Contrast with black6.13:1WCAG normal text: AA
Greyscale equivalent#848484
Inverted#9966F5

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A18D00no red cones; affects about 1% of men; ΔE 31.9 from the original
Deuteranopia#9A8921no green cones; the most common form, about 1% of men; ΔE 31.7 from the original
Tritanopia#699282no blue cones; rare, and affects men and women equally; ΔE 57.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.43:1WCAG large text: AA
Contrast with black, large text6.13:1WCAG large text: AAA

Named colours

Olivedrab · ΔE 12.5Forest green · ΔE 20.4Yellow green · ΔE 20.5Green · ΔE 21.1Olive · ΔE 24.2Dark green · ΔE 28.2
Nearest named CSS colourOlivedrab (#6B8E23)ΔE 12.48, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3D0A99
Analogous#99840A, #1F990A
Triadic#0A6699, #990A66
Split complementary#0A1F99, #840A99
Tetradic#0A9984, #3D0A99, #990A1E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C9F679
Lighter +30%#B6F349
Lighter +20%#A3F019
Lighter +10%#86C90D
Darker −10%#466907
Darker −20%#263904
Darker −30%#060901
Darker −40%#000000
More saturated +25%#69A300
Less saturated −25%#60851E

Channel breakdown

R102
G153
B10
Red102 (40%)
Green153 (60%)
Blue10 (3.9%)
Hue81.4°
Saturation (HSL)87.73%
Lightness31.96%
Dominant channelGreen
Hex per channelR 66 · G 99 · B 0A

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Every value on this page was computed from “66990a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.