Recognised as Colour
#BC881B
- #BC881B
- Orange
- Dark
- Nearest: Dark goldenrod
#BC881B is a orange with RGB values 188, 136, 27 and HSL 41°, 75%, 42%. It is a dark colour, so black text on it reaches 6.7:1 contrast (AA for normal text). The nearest named colour is Dark goldenrod.
Colour values
#BC881B#BC881B
HEX#BC881B
RGBrgb(188, 136, 27)
RGB (0–1)0.7373, 0.5333, 0.1059
RGB percentages73.7%, 53.3%, 10.6%
HSLhsl(40.6, 74.9%, 42.2%)
HSV / HSBhsv(40.6, 85.6%, 73.7%)
CMYK0%, 27.7%, 85.6%, 26.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,355,611
CSS custom property--colour: #BC881B;
Brightness & contrast
Relative luminance0.28379WCAG 2.x, 0 is black and 1 is white
Perceived brightness146.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.68:1
Contrast with white3.15:1WCAG normal text: Fail
Contrast with black6.68:1WCAG normal text: AA
Greyscale equivalent#8B8B8B
Inverted#4377E4
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.15:1WCAG large text: AA
Contrast with black, large text6.68:1WCAG large text: AAA
Named colours
Hue familyorange
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#1B4FBC
Analogous#BC371B, #A0BC1B
Triadic#1BBC88, #881BBC
Split complementary#1BA0BC, #371BBC
Tetradic#1BBC37, #1B4FBC, #BC1BA0
Tints, shades & saturation
Channel breakdown
R188
G136
B27
Red188 (73.7%)
Green136 (53.3%)
Blue27 (10.6%)
Hue40.62°
Saturation (HSL)74.88%
Lightness42.16%
Dominant channelRed
Hex per channelR BC · G 88 · B 1B
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Harmonies
Similar named colours
Also reads as
BC881B (chemical formula)
- Formula
- 10,603.311 g/mol
- 883 atoms
BC881B has a molar mass of 10,603.311 g/mol, made up of 883 atoms across 2 elements: 2 × B, 881 × C.
Molar mass
Molar mass10,603.311 g/mol
Total atoms per molecule883
Distinct elements2
Mass of one molecule1.7607212 × 10^-20 g
Molecules per gram5.6794908 × 10^19
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
B0.2%
C99.8%
Boron (B × 2)21.62 g/mol, 0.204%
Carbon (C × 881)10,581.691 g/mol, 99.796%
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