Recognised as Colour
#BB8C1F
- #BB8C1F
- Orange
- Dark
- Nearest: Dark goldenrod
#BB8C1F is a orange with RGB values 187, 140, 31 and HSL 42°, 72%, 43%. It is a dark colour, so black text on it reaches 6.9:1 contrast (AA for normal text). The nearest named colour is Dark goldenrod.
Colour values
#BB8C1F#BB8C1F
HEX#BB8C1F
RGBrgb(187, 140, 31)
RGB (0–1)0.7333, 0.549, 0.1216
RGB percentages73.3%, 54.9%, 12.2%
HSLhsl(41.9, 71.6%, 42.7%)
HSV / HSBhsv(41.9, 83.4%, 73.3%)
CMYK0%, 25.1%, 83.4%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,291,103
CSS custom property--colour: #BB8C1F;
Brightness & contrast
Relative luminance0.2942WCAG 2.x, 0 is black and 1 is white
Perceived brightness148.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.88:1
Contrast with white3.05:1WCAG normal text: Fail
Contrast with black6.88:1WCAG normal text: AA
Greyscale equivalent#8E8E8E
Inverted#4473E0
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.05:1WCAG large text: AA
Contrast with black, large text6.88:1WCAG large text: AAA
Named colours
Hue familyorange
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#1F4EBB
Analogous#BB3E1F, #9CBB1F
Triadic#1FBB8C, #8C1FBB
Split complementary#1F9CBB, #3E1FBB
Tetradic#1FBB3E, #1F4EBB, #BB1F9C
Tints, shades & saturation
Channel breakdown
R187
G140
B31
Red187 (73.3%)
Green140 (54.9%)
Blue31 (12.2%)
Hue41.92°
Saturation (HSL)71.56%
Lightness42.75%
Dominant channelRed
Hex per channelR BB · G 8C · B 1F
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Harmonies
Similar named colours
Also reads as
BB8C1F (chemical formula)
- Formula
- 128.299 g/mol
- 11 atoms
BB8C1F has a molar mass of 128.299 g/mol, made up of 11 atoms across 3 elements: 9 × B, 1 × C, 1 × F.
Molar mass
Molar mass128.299 g/mol
Total atoms per molecule11
Distinct elements3
Mass of one molecule2.130455 × 10^-22 g
Molecules per gram4.693833 × 10^21
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
B75.8%
C9.4%
F14.8%
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