Recognised as Colour
#BB8021
- #BB8021
- Orange
- Dark
- Nearest: Dark goldenrod
#BB8021 is a orange with RGB values 187, 128, 33 and HSL 37°, 70%, 43%. It is a dark colour, so black text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Dark goldenrod.
Colour values
#BB8021#BB8021
HEX#BB8021
RGBrgb(187, 128, 33)
RGB (0–1)0.7333, 0.502, 0.1294
RGB percentages73.3%, 50.2%, 12.9%
HSLhsl(37, 70%, 43.1%)
HSV / HSBhsv(37, 82.4%, 73.3%)
CMYK0%, 31.6%, 82.4%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,288,033
CSS custom property--colour: #BB8021;
Brightness & contrast
Relative luminance0.26113WCAG 2.x, 0 is black and 1 is white
Perceived brightness142.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.22:1
Contrast with white3.37:1WCAG normal text: Fail
Contrast with black6.22:1WCAG normal text: AA
Greyscale equivalent#868686
Inverted#447FDE
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.37:1WCAG large text: AA
Contrast with black, large text6.22:1WCAG large text: AAA
Named colours
Hue familyorange
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#215CBB
Analogous#BB3321, #A9BB21
Triadic#21BB80, #8021BB
Split complementary#21A9BB, #3321BB
Tetradic#21BB33, #215CBB, #BB21A9
Tints, shades & saturation
Channel breakdown
R187
G128
B33
Red187 (73.3%)
Green128 (50.2%)
Blue33 (12.9%)
Hue37.01°
Saturation (HSL)70%
Lightness43.14%
Dominant channelRed
Hex per channelR BB · G 80 · B 21
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Harmonies
Similar named colours
Also reads as
BB8021 (chemical formula)
- Formula
- 86,717.82 g/mol
- 8022 atoms
BB8021 has a molar mass of 86,717.82 g/mol, made up of 8022 atoms across 1 element: 8022 × B.
Molar mass
Molar mass86,717.82 g/mol
Total atoms per molecule8022
Distinct elements1
Mass of one molecule1.4399833 × 10^-19 g
Molecules per gram6.9445251 × 10^18
Name
NameNot in the name tablea name cannot be worked out from a formula alone: isomers share formulas, and naming depends on bonding the formula does not show
Composition by mass
B100%
Boron (B × 8022)86,717.82 g/mol, 100%
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