Recognised as Colour
#BF815B
- #BF815B
- Orange
- Dark
- Nearest: Dark salmon
#BF815B is a orange with RGB values 191, 129, 91 and HSL 23°, 44%, 55%. It is a dark colour, so black text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Dark salmon.
Colour values
#BF815B#BF815B
HEX#BF815B
RGBrgb(191, 129, 91)
RGB (0–1)0.749, 0.5059, 0.3569
RGB percentages74.9%, 50.6%, 35.7%
HSLhsl(22.8, 43.9%, 55.3%)
HSV / HSBhsv(22.8, 52.4%, 74.9%)
CMYK0%, 32.5%, 52.4%, 25.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,550,491
CSS custom property--colour: #BF815B;
Brightness & contrast
Relative luminance0.27532WCAG 2.x, 0 is black and 1 is white
Perceived brightness147 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.51:1
Contrast with white3.23:1WCAG normal text: Fail
Contrast with black6.51:1WCAG normal text: AA
Greyscale equivalent#8B8B8B
Inverted#407EA4
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.23:1WCAG large text: AA
Contrast with black, large text6.51:1WCAG large text: AAA
Named colours
Hue familyorange
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#5B99BF
Analogous#BF5B67, #BFB35B
Triadic#5BBF81, #815BBF
Split complementary#5BBFB3, #5B67BF
Tetradic#67BF5B, #5B99BF, #B35BBF
Tints, shades & saturation
Channel breakdown
R191
G129
B91
Red191 (74.9%)
Green129 (50.6%)
Blue91 (35.7%)
Hue22.8°
Saturation (HSL)43.86%
Lightness55.29%
Dominant channelRed
Hex per channelR BF · G 81 · B 5B
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Harmonies
Similar named colours
Also reads as
BF815B (chemical formula)
- Formula
- 15,504.99 g/mol
- 817 atoms
BF815B has a molar mass of 15,504.99 g/mol, made up of 817 atoms across 2 elements: 2 × B, 815 × F.
Molar mass
Molar mass15,504.99 g/mol
Total atoms per molecule817
Distinct elements2
Mass of one molecule2.5746642 × 10^-20 g
Molecules per gram3.8840017 × 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
B0.1%
F99.9%
Boron (B × 2)21.62 g/mol, 0.139%
Fluorine (F × 815)15,483.37 g/mol, 99.861%
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