Recognised as Colour
#BB6140
- #BB6140
- Orange
- Dark
- Nearest: Sienna
#BB6140 is a orange with RGB values 187, 97, 64 and HSL 16°, 49%, 49%. It is a dark colour, so black text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Sienna.
Colour values
#BB6140#BB6140
HEX#BB6140
RGBrgb(187, 97, 64)
RGB (0–1)0.7333, 0.3804, 0.251
RGB percentages73.3%, 38%, 25.1%
HSLhsl(16.1, 49%, 49.2%)
HSV / HSBhsv(16.1, 65.8%, 73.3%)
CMYK0%, 48.1%, 65.8%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,280,128
CSS custom property--colour: #BB6140;
Brightness & contrast
Relative luminance0.19484WCAG 2.x, 0 is black and 1 is white
Perceived brightness128.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.9:1
Contrast with white4.29:1WCAG normal text: Fail
Contrast with black4.9:1WCAG normal text: AA
Greyscale equivalent#727272
Inverted#449EBF
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.29:1WCAG large text: AA
Contrast with black, large text4.9:1WCAG large text: AAA
Named colours
Hue familyorange
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#409ABB
Analogous#BB405C, #BB9F40
Triadic#40BB61, #6140BB
Split complementary#40BB9F, #405CBB
Tetradic#5CBB40, #409ABB, #9F40BB
Tints, shades & saturation
Channel breakdown
R187
G97
B64
Red187 (73.3%)
Green97 (38%)
Blue64 (25.1%)
Hue16.1°
Saturation (HSL)49%
Lightness49.22%
Dominant channelRed
Hex per channelR BB · G 61 · B 40
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Harmonies
Similar named colours
Also reads as
BB6140 (chemical formula)
- Formula
- 66,384.21 g/mol
- 6141 atoms
BB6140 has a molar mass of 66,384.21 g/mol, made up of 6141 atoms across 1 element: 6141 × B.
Molar mass
Molar mass66,384.21 g/mol
Total atoms per molecule6141
Distinct elements1
Mass of one molecule1.1023357 × 10^-19 g
Molecules per gram9.0716463 × 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 × 6141)66,384.21 g/mol, 100%
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