Recognised as Colour
#BB653F
- #BB653F
- Orange
- Dark
- Nearest: Sienna
#BB653F is a orange with RGB values 187, 101, 63 and HSL 18°, 50%, 49%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Sienna.
Colour values
#BB653F#BB653F
HEX#BB653F
RGBrgb(187, 101, 63)
RGB (0–1)0.7333, 0.3961, 0.2471
RGB percentages73.3%, 39.6%, 24.7%
HSLhsl(18.4, 49.6%, 49%)
HSV / HSBhsv(18.4, 66.3%, 73.3%)
CMYK0%, 46%, 66.3%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,281,151
CSS custom property--colour: #BB653F;
Brightness & contrast
Relative luminance0.20231WCAG 2.x, 0 is black and 1 is white
Perceived brightness130 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.05:1
Contrast with white4.16:1WCAG normal text: Fail
Contrast with black5.05:1WCAG normal text: AA
Greyscale equivalent#757575
Inverted#449AC0
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.16:1WCAG large text: AA
Contrast with black, large text5.05:1WCAG large text: AAA
Named colours
Hue familyorange
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#3F95BB
Analogous#BB3F57, #BBA33F
Triadic#3FBB65, #653FBB
Split complementary#3FBBA3, #3F57BB
Tetradic#57BB3F, #3F95BB, #A33FBB
Tints, shades & saturation
Channel breakdown
R187
G101
B63
Red187 (73.3%)
Green101 (39.6%)
Blue63 (24.7%)
Hue18.39°
Saturation (HSL)49.6%
Lightness49.02%
Dominant channelRed
Hex per channelR BB · G 65 · B 3F
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Harmonies
Similar named colours
Also reads as
BB653F (chemical formula)
- Formula
- 7,088.738 g/mol
- 655 atoms
BB653F has a molar mass of 7,088.738 g/mol, made up of 655 atoms across 2 elements: 654 × B, 1 × F.
Molar mass
Molar mass7,088.738 g/mol
Total atoms per molecule655
Distinct elements2
Mass of one molecule1.1771126 × 10^-20 g
Molecules per gram8.4953637 × 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
B99.7%
F0.3%
Boron (B × 654)7,069.74 g/mol, 99.732%
Fluorine (F)18.998 g/mol, 0.268%
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