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Recognised as Colour

#66544B

  • #66544B
  • Orange
  • Dark
  • Nearest: Dim grey

#66544B is a orange with RGB values 102, 84, 75 and HSL 20°, 15%, 35%. It is a dark colour, so white text on it reaches 7.2:1 contrast (AAA for normal text). The nearest named colour is Dim grey.

Colour values

#66544B#66544B
HEX#66544B
RGBrgb(102, 84, 75)
RGB (0–1)0.4, 0.3294, 0.2941
RGB percentages40%, 32.9%, 29.4%
HSLhsl(20, 15.3%, 34.7%)
HSV / HSBhsv(20, 26.5%, 40%)
CMYK0%, 17.6%, 26.5%, 60%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,706,251
CSS custom property--colour: #66544B;

Brightness & contrast

Relative luminance0.09673WCAG 2.x, 0 is black and 1 is white
Perceived brightness88.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.16:1
Contrast with white7.16:1WCAG normal text: AAA
Contrast with black2.93:1WCAG normal text: Fail
Greyscale equivalent#575757
Inverted#99ABB4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#59554Ano red cones; affects about 1% of men; ΔE 6.6 from the original
Deuteranopia#5D594Bno green cones; the most common form, about 1% of men; ΔE 7 from the original
Tritanopia#6B5151no blue cones; rare, and affects men and women equally; ΔE 6.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.16:1WCAG large text: AAA
Contrast with black, large text2.93:1WCAG large text: Fail

Named colours

Dim grey · ΔE 12.3Gray · ΔE 19.1Dark slate grey · ΔE 22Slate grey · ΔE 25.6Light slate grey · ΔE 28Rosy brown · ΔE 28.6
Nearest named CSS colourDim grey (#696969)ΔE 12.27, a distinctly different colour
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4B5D66
Analogous#664B50, #66624B
Triadic#4B6654, #544B66
Split complementary#4B6662, #4B5066
Tetradic#50664B, #4B5D66, #624B66

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C8BBB5
Lighter +30%#B3A097
Lighter +20%#9D867A
Lighter +10%#836C61
Darker −10%#493C35
Darker −20%#2B2420
Darker −30%#0E0B0A
Darker −40%#000000
More saturated +25%#7C4D35
Less saturated −25%#595959

Channel breakdown

R102
G84
B75
Red102 (40%)
Green84 (32.9%)
Blue75 (29.4%)
Hue20°
Saturation (HSL)15.25%
Lightness34.71%
Dominant channelRed
Hex per channelR 66 · G 54 · B 4B

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Every value on this page was computed from “66544b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.