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Recognised as Colour

#552B15

  • #552B15
  • Orange
  • Dark
  • Nearest: Saddle brown

#552B15 is a orange with RGB values 85, 43, 21 and HSL 21°, 60%, 21%. It is a dark colour, so white text on it reaches 12.1:1 contrast (AAA for normal text). The nearest named colour is Saddle brown.

Colour values

#552B15#552B15
HEX#552B15
RGBrgb(85, 43, 21)
RGB (0–1)0.3333, 0.1686, 0.0824
RGB percentages33.3%, 16.9%, 8.2%
HSLhsl(20.6, 60.4%, 20.8%)
HSV / HSBhsv(20.6, 75.3%, 33.3%)
CMYK0%, 49.4%, 75.3%, 66.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,581,589
CSS custom property--colour: #552B15;

Brightness & contrast

Relative luminance0.03713WCAG 2.x, 0 is black and 1 is white
Perceived brightness57.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.05:1
Contrast with white12.05:1WCAG normal text: AAA
Contrast with black1.74:1WCAG normal text: Fail
Greyscale equivalent#323232
Inverted#AAD4EA

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#373113no red cones; affects about 1% of men; ΔE 19.7 from the original
Deuteranopia#413A14no green cones; the most common form, about 1% of men; ΔE 20 from the original
Tritanopia#5E2326no blue cones; rare, and affects men and women equally; ΔE 14.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.05:1WCAG large text: AAA
Contrast with black, large text1.74:1WCAG large text: Fail

Named colours

Saddle brown · ΔE 25.4Sienna · ΔE 27.6Maroon · ΔE 34.6Dim grey · ΔE 35.7Black · ΔE 36.4Brown · ΔE 36.5
Nearest named CSS colourSaddle brown (#8B4513)ΔE 25.35, a distinctly different colour
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#153F55
Analogous#55151F, #554B15
Triadic#15552B, #2B1555
Split complementary#15554B, #151F55
Tetradic#1F5515, #153F55, #4B1555

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D7885F
Lighter +30%#CD6A36
Lighter +20%#A75429
Lighter +10%#7E401F
Darker −10%#2C160B
Darker −20%#030201
Darker −30%#000000
Darker −40%#000000
More saturated +25%#622708
Less saturated −25%#482F22

Channel breakdown

R85
G43
B21
Red85 (33.3%)
Green43 (16.9%)
Blue21 (8.2%)
Hue20.63°
Saturation (HSL)60.38%
Lightness20.78%
Dominant channelRed
Hex per channelR 55 · G 2B · B 15

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Every value on this page was computed from “552b15” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.