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Recognised as Colour

#664C35

  • #664C35
  • Orange
  • Dark
  • Nearest: Dim grey

#664C35 is a orange with RGB values 102, 76, 53 and HSL 28°, 32%, 30%. It is a dark colour, so white text on it reaches 7.9:1 contrast (AAA for normal text). The nearest named colour is Dim grey.

Colour values

#664C35#664C35
HEX#664C35
RGBrgb(102, 76, 53)
RGB (0–1)0.4, 0.298, 0.2078
RGB percentages40%, 29.8%, 20.8%
HSLhsl(28.2, 31.6%, 30.4%)
HSV / HSBhsv(28.2, 48%, 40%)
CMYK0%, 25.5%, 48%, 60%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,704,181
CSS custom property--colour: #664C35;

Brightness & contrast

Relative luminance0.08251WCAG 2.x, 0 is black and 1 is white
Perceived brightness82.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.92:1
Contrast with white7.92:1WCAG normal text: AAA
Contrast with black2.65:1WCAG normal text: Fail
Greyscale equivalent#505050
Inverted#99B3CA

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#544E33no red cones; affects about 1% of men; ΔE 10 from the original
Deuteranopia#5A5335no green cones; the most common form, about 1% of men; ΔE 9.9 from the original
Tritanopia#6E4646no blue cones; rare, and affects men and women equally; ΔE 14.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.92:1WCAG large text: AAA
Contrast with black, large text2.65:1WCAG large text: Fail

Named colours

Dim grey · ΔE 21.9Gray · ΔE 27.3Dark slate grey · ΔE 29.3Sienna · ΔE 29.4Saddle brown · ΔE 29.9Dark olivegreen · ΔE 30.4
Nearest named CSS colourDim grey (#696969)ΔE 21.88, a distinctly different colour
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#354F66
Analogous#663536, #666435
Triadic#35664C, #4C3566
Split complementary#356664, #353766
Tetradic#376635, #354F66, #643566

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CBB29C
Lighter +30%#BA987A
Lighter +20%#A87E59
Lighter +10%#886546
Darker −10%#443324
Darker −20%#231A12
Darker −30%#010101
Darker −40%#000000
More saturated +25%#794B22
Less saturated −25%#534D48

Channel breakdown

R102
G76
B53
Red102 (40%)
Green76 (29.8%)
Blue53 (20.8%)
Hue28.16°
Saturation (HSL)31.61%
Lightness30.39%
Dominant channelRed
Hex per channelR 66 · G 4C · B 35

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Every value on this page was computed from “664c35” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.