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Recognised as Colour

#666C53

  • #666C53
  • Green
  • Dark
  • Nearest: Dim grey

#666C53 is a green with RGB values 102, 108, 83 and HSL 74°, 13%, 37%. It is a dark colour, so white text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Dim grey.

Colour values

#666C53#666C53
HEX#666C53
RGBrgb(102, 108, 83)
RGB (0–1)0.4, 0.4235, 0.3255
RGB percentages40%, 42.4%, 32.5%
HSLhsl(74.4, 13.1%, 37.5%)
HSV / HSBhsv(74.4, 23.1%, 42.4%)
CMYK5.6%, 0%, 23.1%, 57.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,712,403
CSS custom property--colour: #666C53;

Brightness & contrast

Relative luminance0.14174WCAG 2.x, 0 is black and 1 is white
Perceived brightness103.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.48:1
Contrast with white5.48:1WCAG normal text: AA
Contrast with black3.83:1WCAG normal text: Fail
Greyscale equivalent#696969
Inverted#9993AC

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6F6951no red cones; affects about 1% of men; ΔE 5.3 from the original
Deuteranopia#6F6954no green cones; the most common form, about 1% of men; ΔE 5.7 from the original
Tritanopia#696965no blue cones; rare, and affects men and women equally; ΔE 12.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.48:1WCAG large text: AAA
Contrast with black, large text3.83:1WCAG large text: AA

Named colours

Dim grey · ΔE 15Gray · ΔE 17.6Dark olivegreen · ΔE 21.1Dark slate grey · ΔE 22Slate grey · ΔE 25.7Light slate grey · ΔE 27.3
Nearest named CSS colourDim grey (#696969)ΔE 15.03, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#59536C
Analogous#6C6653, #5A6C53
Triadic#53666C, #6C5366
Split complementary#535A6C, #65536C
Tetradic#536C66, #59536C, #6C535A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C9CDBE
Lighter +30%#B2B7A1
Lighter +20%#9AA184
Lighter +10%#818969
Darker −10%#4B4F3D
Darker −20%#303227
Darker −30%#141511
Darker −40%#000000
More saturated +25%#72843B
Less saturated −25%#606060

Channel breakdown

R102
G108
B83
Red102 (40%)
Green108 (42.4%)
Blue83 (32.5%)
Hue74.4°
Saturation (HSL)13.09%
Lightness37.45%
Dominant channelGreen
Hex per channelR 66 · G 6C · B 53

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Every value on this page was computed from “666c53” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.