Recognised as Colour
#BB6400
- #BB6400
- Orange
- Dark
- Nearest: Chocolate
#BB6400 is a orange with RGB values 187, 100, 0 and HSL 32°, 100%, 37%. It is a dark colour, so black text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Chocolate.
Colour values
#BB6400#BB6400
HEX#BB6400
RGBrgb(187, 100, 0)
RGB (0–1)0.7333, 0.3922, 0
RGB percentages73.3%, 39.2%, 0%
HSLhsl(32.1, 100%, 36.7%)
HSV / HSBhsv(32.1, 100%, 73.3%)
CMYK0%, 46.5%, 100%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,280,832
CSS custom property--colour: #BB6400;
Brightness & contrast
Relative luminance0.19679WCAG 2.x, 0 is black and 1 is white
Perceived brightness127.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.94:1
Contrast with white4.25:1WCAG normal text: Fail
Contrast with black4.94:1WCAG normal text: AA
Greyscale equivalent#6F6F6F
Inverted#449BFF
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.25:1WCAG large text: AA
Contrast with black, large text4.94:1WCAG large text: AAA
Named colours
Hue familyorange
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#0057BB
Analogous#BB0600, #B5BB00
Triadic#00BB64, #6400BB
Split complementary#00B4BB, #0700BB
Tetradic#00BB07, #0057BB, #BB00B5
Tints, shades & saturation
Channel breakdown
R187
G100
B0
Red187 (73.3%)
Green100 (39.2%)
Blue0 (0%)
Hue32.09°
Saturation (HSL)100%
Lightness36.67%
Dominant channelRed
Hex per channelR BB · G 64 · B 00
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Harmonies
Similar named colours
Also reads as
BB6400 (chemical formula)
- Formula
- 69,194.81 g/mol
- 6401 atoms
BB6400 has a molar mass of 69,194.81 g/mol, made up of 6401 atoms across 1 element: 6401 × B.
Molar mass
Molar mass69,194.81 g/mol
Total atoms per molecule6401
Distinct elements1
Mass of one molecule1.1490069 × 10^-19 g
Molecules per gram8.7031683 × 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 × 6401)69,194.81 g/mol, 100%
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