Recognised as Colour
#FB8255
- #FB8255
- Orange
- Dark
- Nearest: Coral
#FB8255 is a orange with RGB values 251, 130, 85 and HSL 16°, 95%, 66%. It is a dark colour, so black text on it reaches 8.4:1 contrast (AAA for normal text). The nearest named colour is Coral.
Colour values
#FB8255#FB8255
HEX#FB8255
RGBrgb(251, 130, 85)
RGB (0–1)0.9843, 0.5098, 0.3333
RGB percentages98.4%, 51%, 33.3%
HSLhsl(16.3, 95.4%, 65.9%)
HSV / HSBhsv(16.3, 66.1%, 98.4%)
CMYK0%, 48.2%, 66.1%, 1.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,482,901
CSS custom property--colour: #FB8255;
Brightness & contrast
Relative luminance0.3713WCAG 2.x, 0 is black and 1 is white
Perceived brightness172 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.43:1
Contrast with white2.49:1WCAG normal text: Fail
Contrast with black8.43:1WCAG normal text: AAA
Greyscale equivalent#989898
Inverted#047DAA
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.49:1WCAG large text: Fail
Contrast with black, large text8.43:1WCAG large text: AAA
Named colours
Hue familyorange
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#55CEFB
Analogous#FB557B, #FBD555
Triadic#55FB82, #8255FB
Split complementary#55FBD5, #557BFB
Tetradic#7BFB55, #55CEFB, #D555FB
Tints, shades & saturation
Channel breakdown
R251
G130
B85
Red251 (98.4%)
Green130 (51%)
Blue85 (33.3%)
Hue16.27°
Saturation (HSL)95.4%
Lightness65.88%
Dominant channelRed
Hex per channelR FB · G 82 · B 55
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Also reads as
FB8255 (chemical formula)
- Formula
- 89,255.548 g/mol
- 8256 atoms
FB8255 has a molar mass of 89,255.548 g/mol, made up of 8256 atoms across 2 elements: 1 × F, 8255 × B.
Molar mass
Molar mass89,255.548 g/mol
Total atoms per molecule8256
Distinct elements2
Mass of one molecule1.4821232 × 10^-19 g
Molecules per gram6.7470772 × 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
F0%
B100%
Fluorine (F)18.998 g/mol, 0.021%
Boron (B × 8255)89,236.55 g/mol, 99.979%
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