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Colour

#BB8521

  • #BB8521
  • Orange
  • Dark
  • Nearest: Dark goldenrod

#BB8521 is a orange with RGB values 187, 133, 33 and HSL 39°, 70%, 43%. It is a dark colour, so black text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Dark goldenrod.

Colour values

#BB8521#BB8521
HEX#BB8521
RGBrgb(187, 133, 33)
RGB (0–1)0.7333, 0.5216, 0.1294
RGB percentages73.3%, 52.2%, 12.9%
HSLhsl(39, 70%, 43.1%)
HSV / HSBhsv(39, 82.4%, 73.3%)
CMYK0%, 28.9%, 82.4%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,289,313
CSS custom property--colour: #BB8521;

Brightness & contrast

Relative luminance0.2745WCAG 2.x, 0 is black and 1 is white
Perceived brightness144.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.49:1
Contrast with white3.24:1WCAG normal text: Fail
Contrast with black6.49:1WCAG normal text: AA
Greyscale equivalent#898989
Inverted#447ADE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#998709no red cones; affects about 1% of men; ΔE 17.6 from the original
Deuteranopia#A69425no green cones; the most common form, about 1% of men; ΔE 17.6 from the original
Tritanopia#CC7672no blue cones; rare, and affects men and women equally; ΔE 45.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.24:1WCAG large text: AA
Contrast with black, large text6.49:1WCAG large text: AAA

Named colours

Dark goldenrod · ΔE 5.8Peru · ΔE 13.4Goldenrod · ΔE 16.5Sandy brown · ΔE 21Chocolate · ΔE 25Olive · ΔE 26.3
Nearest named CSS colourDark goldenrod (#B8860B)ΔE 5.83, clearly different but related
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#2157BB
Analogous#BB3821, #A4BB21
Triadic#21BB85, #8521BB
Split complementary#21A4BB, #3821BB
Tetradic#21BB38, #2157BB, #BB21A4

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F2DDB6
Lighter +30%#EAC98B
Lighter +20%#E3B55F
Lighter +10%#DBA034
Darker −10%#906619
Darker −20%#644712
Darker −30%#39290A
Darker −40%#0E0A02
More saturated +25%#D68D06
Less saturated −25%#A07D3D

Channel breakdown

R187
G133
B33
Red187 (73.3%)
Green133 (52.2%)
Blue33 (12.9%)
Hue38.96°
Saturation (HSL)70%
Lightness43.14%
Dominant channelRed
Hex per channelR BB · G 85 · B 21

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Every value on this page was computed from “bb8521” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.