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Recognised as Colour

#664A35

  • #664A35
  • Orange
  • Dark
  • Nearest: Dim grey

#664A35 is a orange with RGB values 102, 74, 53 and HSL 26°, 32%, 30%. It is a dark colour, so white text on it reaches 8.1:1 contrast (AAA for normal text). The nearest named colour is Dim grey.

Colour values

#664A35#664A35
HEX#664A35
RGBrgb(102, 74, 53)
RGB (0–1)0.4, 0.2902, 0.2078
RGB percentages40%, 29%, 20.8%
HSLhsl(25.7, 31.6%, 30.4%)
HSV / HSBhsv(25.7, 48%, 40%)
CMYK0%, 27.5%, 48%, 60%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,703,669
CSS custom property--colour: #664A35;

Brightness & contrast

Relative luminance0.07979WCAG 2.x, 0 is black and 1 is white
Perceived brightness81.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.09:1
Contrast with white8.09:1WCAG normal text: AAA
Contrast with black2.6:1WCAG normal text: Fail
Greyscale equivalent#4E4E4E
Inverted#99B5CA

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#524C33no red cones; affects about 1% of men; ΔE 11 from the original
Deuteranopia#595235no green cones; the most common form, about 1% of men; ΔE 11 from the original
Tritanopia#6E4445no blue cones; rare, and affects men and women equally; ΔE 13.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.09:1WCAG large text: AAA
Contrast with black, large text2.6:1WCAG large text: Fail

Named colours

Dim grey · ΔE 22Gray · ΔE 27.6Sienna · ΔE 29.2Dark slate grey · ΔE 29.5Saddle brown · ΔE 29.7Dark olivegreen · ΔE 31.9
Nearest named CSS colourDim grey (#696969)ΔE 22.02, a distinctly different colour
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#355166
Analogous#663539, #666335
Triadic#35664A, #4A3566
Split complementary#356663, #353866
Tetradic#396635, #355166, #633566

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CBB09C
Lighter +30%#BA957A
Lighter +20%#A87B59
Lighter +10%#886246
Darker −10%#443224
Darker −20%#231912
Darker −30%#010101
Darker −40%#000000
More saturated +25%#794722
Less saturated −25%#534D48

Channel breakdown

R102
G74
B53
Red102 (40%)
Green74 (29%)
Blue53 (20.8%)
Hue25.71°
Saturation (HSL)31.61%
Lightness30.39%
Dominant channelRed
Hex per channelR 66 · G 4A · B 35

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Every value on this page was computed from “664a35” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.