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Colour

#CB8800

  • #CB8800
  • Orange
  • Dark
  • Nearest: Dark goldenrod

#CB8800 is a orange with RGB values 203, 136, 0 and HSL 40°, 100%, 40%. It is a dark colour, so black text on it reaches 7.1:1 contrast (AAA for normal text). The nearest named colour is Dark goldenrod.

Colour values

#CB8800#CB8800
HEX#CB8800
RGBrgb(203, 136, 0)
RGB (0–1)0.7961, 0.5333, 0
RGB percentages79.6%, 53.3%, 0%
HSLhsl(40.2, 100%, 39.8%)
HSV / HSBhsv(40.2, 100%, 79.6%)
CMYK0%, 33%, 100%, 20.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,338,624
CSS custom property--colour: #CB8800;

Brightness & contrast

Relative luminance0.30305WCAG 2.x, 0 is black and 1 is white
Perceived brightness152.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.06:1
Contrast with white2.97:1WCAG normal text: Fail
Contrast with black7.06:1WCAG normal text: AAA
Greyscale equivalent#8C8C8C
Inverted#3477FF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A08C00no red cones; affects about 1% of men; ΔE 22.5 from the original
Deuteranopia#AF9C0Cno green cones; the most common form, about 1% of men; ΔE 23.4 from the original
Tritanopia#DE7674no blue cones; rare, and affects men and women equally; ΔE 53.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.97:1WCAG large text: Fail
Contrast with black, large text7.06:1WCAG large text: AAA

Named colours

Dark goldenrod · ΔE 9Goldenrod · ΔE 12.4Orange · ΔE 18.7Peru · ΔE 19.9Dark orange · ΔE 22.6Chocolate · ΔE 23.4
Nearest named CSS colourDark goldenrod (#B8860B)ΔE 9.01, clearly different but related
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#0043CB
Analogous#CB2300, #A9CB00
Triadic#00CB88, #8800CB
Split complementary#00A9CB, #2200CB
Tetradic#00CB23, #0043CB, #CB00A9

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFDD98
Lighter +30%#FFCC65
Lighter +20%#FFBB32
Lighter +10%#FEAA00
Darker −10%#986600
Darker −20%#654400
Darker −30%#322100
Darker −40%#000000
More saturated +25%#CB8800
Less saturated −25%#B27F19

Channel breakdown

R203
G136
B0
Red203 (79.6%)
Green136 (53.3%)
Blue0 (0%)
Hue40.2°
Saturation (HSL)100%
Lightness39.8%
Dominant channelRed
Hex per channelR CB · G 88 · B 00

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Every value on this page was computed from “cb8800” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.