Recognised as Colour
#BF813F
- #BF813F
- Orange
- Dark
- Nearest: Peru
#BF813F is a orange with RGB values 191, 129, 63 and HSL 31°, 50%, 50%. It is a dark colour, so black text on it reaches 6.4:1 contrast (AA for normal text). The nearest named colour is Peru.
Colour values
#BF813F#BF813F
HEX#BF813F
RGBrgb(191, 129, 63)
RGB (0–1)0.749, 0.5059, 0.2471
RGB percentages74.9%, 50.6%, 24.7%
HSLhsl(30.9, 50.4%, 49.8%)
HSV / HSBhsv(30.9, 67%, 74.9%)
CMYK0%, 32.5%, 67%, 25.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,550,463
CSS custom property--colour: #BF813F;
Brightness & contrast
Relative luminance0.27136WCAG 2.x, 0 is black and 1 is white
Perceived brightness145.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.43:1
Contrast with white3.27:1WCAG normal text: Fail
Contrast with black6.43:1WCAG normal text: AA
Greyscale equivalent#898989
Inverted#407EC0
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.27:1WCAG large text: AA
Contrast with black, large text6.43:1WCAG large text: AAA
Named colours
Hue familyorange
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#3F7DBF
Analogous#BF413F, #BDBF3F
Triadic#3FBF81, #813FBF
Split complementary#3FBDBF, #413FBF
Tetradic#3FBF41, #3F7DBF, #BF3FBD
Tints, shades & saturation
Channel breakdown
R191
G129
B63
Red191 (74.9%)
Green129 (50.6%)
Blue63 (24.7%)
Hue30.94°
Saturation (HSL)50.39%
Lightness49.8%
Dominant channelRed
Hex per channelR BF · G 81 · B 3F
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Harmonies
Similar named colours
Also reads as
BF813F (chemical formula)
- Formula
- 15,475.182 g/mol
- 815 atoms
BF813F has a molar mass of 15,475.182 g/mol, made up of 815 atoms across 2 elements: 1 × B, 814 × F.
Molar mass
Molar mass15,475.182 g/mol
Total atoms per molecule815
Distinct elements2
Mass of one molecule2.5697144 × 10^-20 g
Molecules per gram3.891483 × 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)10.81 g/mol, 0.07%
Fluorine (F × 814)15,464.372 g/mol, 99.93%
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