Recognised as Colour
#FBBB78
- #FBBB78
- Orange
- Light
- Nearest: Sandy brown
#FBBB78 is a orange with RGB values 251, 187, 120 and HSL 31°, 94%, 73%. It is a light colour, so black text on it reaches 12.5:1 contrast (AAA for normal text). The nearest named colour is Sandy brown.
Colour values
#FBBB78#FBBB78
HEX#FBBB78
RGBrgb(251, 187, 120)
RGB (0–1)0.9843, 0.7333, 0.4706
RGB percentages98.4%, 73.3%, 47.1%
HSLhsl(30.7, 94.2%, 72.7%)
HSV / HSBhsv(30.7, 52.2%, 98.4%)
CMYK0%, 25.5%, 52.2%, 1.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,497,528
CSS custom property--colour: #FBBB78;
Brightness & contrast
Relative luminance0.57406WCAG 2.x, 0 is black and 1 is white
Perceived brightness202.5 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 12.48:1
Contrast with white1.68:1WCAG normal text: Fail
Contrast with black12.48:1WCAG normal text: AAA
Greyscale equivalent#C4C4C4
Inverted#044487
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.68:1WCAG large text: Fail
Contrast with black, large text12.48:1WCAG large text: AAA
Named colours
Hue familyorange
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#78B8FB
Analogous#FB7978, #FAFB78
Triadic#78FBBB, #BB78FB
Split complementary#78F9FB, #7A78FB
Tetradic#78FB79, #78B8FB, #FB78F9
Tints, shades & saturation
Channel breakdown
R251
G187
B120
Red251 (98.4%)
Green187 (73.3%)
Blue120 (47.1%)
Hue30.69°
Saturation (HSL)94.24%
Lightness72.75%
Dominant channelRed
Hex per channelR FB · G BB · B 78
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Harmonies
Similar named colours
Also reads as
FBBB78 (chemical formula)
- Formula
- 883.798 g/mol
- 81 atoms
FBBB78 has a molar mass of 883.798 g/mol, made up of 81 atoms across 2 elements: 1 × F, 80 × B.
Molar mass
Molar mass883.798 g/mol
Total atoms per molecule81
Distinct elements2
Mass of one molecule1.4675811 × 10^-21 g
Molecules per gram6.8139335 × 10^20
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
F2.1%
B97.9%
Fluorine (F)18.998 g/mol, 2.15%
Boron (B × 80)864.8 g/mol, 97.85%
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