Recognised as Colour
#BF6F21
- #BF6F21
- Orange
- Dark
- Nearest: Peru
#BF6F21 is a orange with RGB values 191, 111, 33 and HSL 30°, 71%, 44%. It is a dark colour, so black text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Peru.
Colour values
#BF6F21#BF6F21
HEX#BF6F21
RGBrgb(191, 111, 33)
RGB (0–1)0.749, 0.4353, 0.1294
RGB percentages74.9%, 43.5%, 12.9%
HSLhsl(29.6, 70.5%, 43.9%)
HSV / HSBhsv(29.6, 82.7%, 74.9%)
CMYK0%, 41.9%, 82.7%, 25.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,545,825
CSS custom property--colour: #BF6F21;
Brightness & contrast
Relative luminance0.22555WCAG 2.x, 0 is black and 1 is white
Perceived brightness135.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.51:1
Contrast with white3.81:1WCAG normal text: Fail
Contrast with black5.51:1WCAG normal text: AA
Greyscale equivalent#7A7A7A
Inverted#4090DE
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.81:1WCAG large text: AA
Contrast with black, large text5.51:1WCAG large text: AAA
Named colours
Hue familyorange
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#2171BF
Analogous#BF2122, #BFBE21
Triadic#21BF6F, #6F21BF
Split complementary#21BFBE, #2122BF
Tetradic#22BF21, #2171BF, #BE21BF
Tints, shades & saturation
Channel breakdown
R191
G111
B33
Red191 (74.9%)
Green111 (43.5%)
Blue33 (12.9%)
Hue29.62°
Saturation (HSL)70.54%
Lightness43.92%
Dominant channelRed
Hex per channelR BF · G 6F · B 21
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Harmonies
Similar named colours
Also reads as
BF6F21 (chemical formula)
- Formula
- 523.756 g/mol
- 28 atoms
BF6F21 has a molar mass of 523.756 g/mol, made up of 28 atoms across 2 elements: 1 × B, 27 × F.
Molar mass
Molar mass523.756 g/mol
Total atoms per molecule28
Distinct elements2
Mass of one molecule8.697173 × 10^-22 g
Molecules per gram1.1497989 × 10^21
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
B2.1%
F97.9%
Boron (B)10.81 g/mol, 2.064%
Fluorine (F × 27)512.946 g/mol, 97.936%
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