Recognised as Colour
#B54016
- #B54016
- Orange
- Dark
- Nearest: Firebrick
#B54016 is a orange with RGB values 181, 64, 22 and HSL 16°, 78%, 40%. It is a dark colour, so white text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Firebrick.
Colour values
#B54016#B54016
HEX#B54016
RGBrgb(181, 64, 22)
RGB (0–1)0.7098, 0.251, 0.0863
RGB percentages71%, 25.1%, 8.6%
HSLhsl(15.8, 78.3%, 39.8%)
HSV / HSBhsv(15.8, 87.8%, 71%)
CMYK0%, 64.6%, 87.8%, 29%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,878,422
CSS custom property--colour: #B54016;
Brightness & contrast
Relative luminance0.13548WCAG 2.x, 0 is black and 1 is white
Perceived brightness110.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.66:1
Contrast with white5.66:1WCAG normal text: AA
Contrast with black3.71:1WCAG normal text: Fail
Greyscale equivalent#565656
Inverted#4ABFE9
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.66:1WCAG large text: AAA
Contrast with black, large text3.71:1WCAG large text: AA
Named colours
Hue familyorange
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#168BB5
Analogous#B5163B, #B59016
Triadic#16B540, #4016B5
Split complementary#16B58F, #163CB5
Tetradic#3BB516, #168BB5, #8F16B5
Tints, shades & saturation
Channel breakdown
R181
G64
B22
Red181 (71%)
Green64 (25.1%)
Blue22 (8.6%)
Hue15.85°
Saturation (HSL)78.33%
Lightness39.8%
Dominant channelRed
Hex per channelR B5 · G 40 · B 16
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Also reads as
B54016 (chemical formula)
- Formula
- 583,912.96 g/mol
- 54016 atoms
B54016 has a molar mass of 583,912.96 g/mol, made up of 54016 atoms across 1 element: 54016 × B.
Molar mass
Molar mass583,912.96 g/mol
Total atoms per molecule54016
Distinct elements1
Mass of one molecule9.6961028 × 10^-19 g
Molecules per gram1.0313422 × 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 × 54016)583,912.96 g/mol, 100%
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