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Colour

#66A751

  • #66A751
  • Green
  • Dark
  • Nearest: Olivedrab

#66A751 is a green with RGB values 102, 167, 81 and HSL 105°, 35%, 49%. It is a dark colour, so black text on it reaches 7.2:1 contrast (AAA for normal text). The nearest named colour is Olivedrab.

Colour values

#66A751#66A751
HEX#66A751
RGBrgb(102, 167, 81)
RGB (0–1)0.4, 0.6549, 0.3176
RGB percentages40%, 65.5%, 31.8%
HSLhsl(105.3, 34.7%, 48.6%)
HSV / HSBhsv(105.3, 51.5%, 65.5%)
CMYK38.9%, 0%, 51.5%, 34.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,727,505
CSS custom property--colour: #66A751;

Brightness & contrast

Relative luminance0.31056WCAG 2.x, 0 is black and 1 is white
Perceived brightness142.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.21:1
Contrast with white2.91:1WCAG normal text: Fail
Contrast with black7.21:1WCAG normal text: AAA
Greyscale equivalent#939393
Inverted#9958AE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#AC9B49no red cones; affects about 1% of men; ΔE 33.8 from the original
Deuteranopia#A29557no green cones; the most common form, about 1% of men; ΔE 33.5 from the original
Tritanopia#62A293no blue cones; rare, and affects men and women equally; ΔE 38.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.91:1WCAG large text: Fail
Contrast with black, large text7.21:1WCAG large text: AAA

Named colours

Olivedrab · ΔE 17Medium seagreen · ΔE 17.5Forest green · ΔE 18.6Sea green · ΔE 21Green · ΔE 24.9Light green · ΔE 25.6
Nearest named CSS colourOlivedrab (#6B8E23)ΔE 16.98, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9251A7
Analogous#91A751, #51A767
Triadic#5166A7, #A75166
Split complementary#6751A7, #A75191
Tetradic#5191A7, #9251A7, #A76751

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DDECD8
Lighter +30%#BFDBB6
Lighter +20%#A1CB93
Lighter +10%#83BA71
Darker −10%#518540
Darker −20%#3C6230
Darker −30%#27401F
Darker −40%#121E0E
More saturated +25%#56C632
Less saturated −25%#768870

Channel breakdown

R102
G167
B81
Red102 (40%)
Green167 (65.5%)
Blue81 (31.8%)
Hue105.35°
Saturation (HSL)34.68%
Lightness48.63%
Dominant channelGreen
Hex per channelR 66 · G A7 · B 51

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Every value on this page was computed from “66a751” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.