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Recognised as Colour

#66554E

  • #66554E
  • Orange
  • Dark
  • Nearest: Dim grey

#66554E is a orange with RGB values 102, 85, 78 and HSL 17°, 13%, 35%. It is a dark colour, so white text on it reaches 7.1:1 contrast (AAA for normal text). The nearest named colour is Dim grey.

Colour values

#66554E#66554E
HEX#66554E
RGBrgb(102, 85, 78)
RGB (0–1)0.4, 0.3333, 0.3059
RGB percentages40%, 33.3%, 30.6%
HSLhsl(17.5, 13.3%, 35.3%)
HSV / HSBhsv(17.5, 23.5%, 40%)
CMYK0%, 16.7%, 23.5%, 60%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,706,510
CSS custom property--colour: #66554E;

Brightness & contrast

Relative luminance0.09872WCAG 2.x, 0 is black and 1 is white
Perceived brightness89.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.06:1
Contrast with white7.06:1WCAG normal text: AAA
Contrast with black2.97:1WCAG normal text: Fail
Greyscale equivalent#585858
Inverted#99AAB1

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#59574Eno red cones; affects about 1% of men; ΔE 6.9 from the original
Deuteranopia#5D5A4Eno green cones; the most common form, about 1% of men; ΔE 6.9 from the original
Tritanopia#6B5253no blue cones; rare, and affects men and women equally; ΔE 5.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.06:1WCAG large text: AAA
Contrast with black, large text2.97:1WCAG large text: Fail

Named colours

Dim grey · ΔE 11.1Gray · ΔE 18.3Dark slate grey · ΔE 21.3Slate grey · ΔE 24.3Light slate grey · ΔE 26.8Rosy brown · ΔE 28.3
Nearest named CSS colourDim grey (#696969)ΔE 11.15, a distinctly different colour
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4E5F66
Analogous#664E53, #66614E
Triadic#4E6655, #554E66
Split complementary#4E6661, #4E5366
Tetradic#53664E, #4E5F66, #614E66

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C8BCB8
Lighter +30%#B2A29B
Lighter +20%#9C877E
Lighter +10%#836D64
Darker −10%#493D38
Darker −20%#2C2522
Darker −30%#0F0D0C
Darker −40%#000000
More saturated +25%#7D4C38
Less saturated −25%#5A5A5A

Channel breakdown

R102
G85
B78
Red102 (40%)
Green85 (33.3%)
Blue78 (30.6%)
Hue17.5°
Saturation (HSL)13.33%
Lightness35.29%
Dominant channelRed
Hex per channelR 66 · G 55 · B 4E

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Every value on this page was computed from “66554e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.