Recognised as Colour
#BB7515
- #BB7515
- Orange
- Dark
- Nearest: Peru
#BB7515 is a orange with RGB values 187, 117, 21 and HSL 35°, 80%, 41%. It is a dark colour, so black text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Peru.
Colour values
#BB7515#BB7515
HEX#BB7515
RGBrgb(187, 117, 21)
RGB (0–1)0.7333, 0.4588, 0.0824
RGB percentages73.3%, 45.9%, 8.2%
HSLhsl(34.7, 79.8%, 40.8%)
HSV / HSBhsv(34.7, 88.8%, 73.3%)
CMYK0%, 37.4%, 88.8%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,285,205
CSS custom property--colour: #BB7515;
Brightness & contrast
Relative luminance0.23342WCAG 2.x, 0 is black and 1 is white
Perceived brightness136.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.67:1
Contrast with white3.7:1WCAG normal text: Fail
Contrast with black5.67:1WCAG normal text: AA
Greyscale equivalent#7D7D7D
Inverted#448AEA
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.7:1WCAG large text: AA
Contrast with black, large text5.67:1WCAG large text: AAA
Named colours
Hue familyorange
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#155BBB
Analogous#BB2215, #AEBB15
Triadic#15BB75, #7515BB
Split complementary#15AEBB, #2215BB
Tetradic#15BB22, #155BBB, #BB15AE
Tints, shades & saturation
Channel breakdown
R187
G117
B21
Red187 (73.3%)
Green117 (45.9%)
Blue21 (8.2%)
Hue34.7°
Saturation (HSL)79.81%
Lightness40.78%
Dominant channelRed
Hex per channelR BB · G 75 · B 15
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Harmonies
Similar named colours
Also reads as
BB7515 (chemical formula)
- Formula
- 81,247.96 g/mol
- 7516 atoms
BB7515 has a molar mass of 81,247.96 g/mol, made up of 7516 atoms across 1 element: 7516 × B.
Molar mass
Molar mass81,247.96 g/mol
Total atoms per molecule7516
Distinct elements1
Mass of one molecule1.3491541 × 10^-19 g
Molecules per gram7.4120517 × 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 × 7516)81,247.96 g/mol, 100%
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