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Recognised as Colour

#B45B2D

  • #B45B2D
  • Orange
  • Dark
  • Nearest: Sienna

#B45B2D is a orange with RGB values 180, 91, 45 and HSL 20°, 60%, 44%. It is a dark colour, so white text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Sienna.

Colour values

#B45B2D#B45B2D
HEX#B45B2D
RGBrgb(180, 91, 45)
RGB (0–1)0.7059, 0.3569, 0.1765
RGB percentages70.6%, 35.7%, 17.6%
HSLhsl(20.4, 60%, 44.1%)
HSV / HSBhsv(20.4, 75%, 70.6%)
CMYK0%, 49.4%, 75%, 29.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,819,821
CSS custom property--colour: #B45B2D;

Brightness & contrast

Relative luminance0.17375WCAG 2.x, 0 is black and 1 is white
Perceived brightness121.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.69:1
Contrast with white4.69:1WCAG normal text: AA
Contrast with black4.47:1WCAG normal text: Fail
Greyscale equivalent#6B6B6B
Inverted#4BA4D2

Colour vision & accessibility

Protanopia#746828no red cones; affects about 1% of men; ΔE 37.1 from the original
Deuteranopia#897B2Bno green cones; the most common form, about 1% of men; ΔE 37.4 from the original
Tritanopia#C54851no blue cones; rare, and affects men and women equally; ΔE 26.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.69:1WCAG large text: AAA
Contrast with black, large text4.47:1WCAG large text: AA

Named colours

Nearest named CSS colourSienna (#A0522D)ΔE 8.62, clearly different but related
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#2D86B4
Analogous#B42D42, #B49F2D
Triadic#2DB45B, #5B2DB4
Split complementary#2DB49F, #2D42B4
Tetradic#42B42D, #2D86B4, #9F2DB4

Tints, shades & saturation

Lighter +40%#EFCFBE
Lighter +30%#E5B095
Lighter +20%#DA926D
Lighter +10%#D07444
Darker −10%#8B4623
Darker −20%#623219
Darker −30%#3A1D0E
Darker −40%#110804
More saturated +25%#D05211
Less saturated −25%#986449

Channel breakdown

R180
G91
B45
Red180 (70.6%)
Green91 (35.7%)
Blue45 (17.6%)
Hue20.44°
Saturation (HSL)60%
Lightness44.12%
Dominant channelRed
Hex per channelR B4 · G 5B · B 2D

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Every value on this page was computed from “b45b2d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.