Recognised as Colour
#FB9927
- #FB9927
- Orange
- Dark
- Nearest: Dark orange
#FB9927 is a orange with RGB values 251, 153, 39 and HSL 32°, 96%, 57%. It is a dark colour, so black text on it reaches 9.7:1 contrast (AAA for normal text). The nearest named colour is Dark orange.
Colour values
#FB9927#FB9927
HEX#FB9927
RGBrgb(251, 153, 39)
RGB (0–1)0.9843, 0.6, 0.1529
RGB percentages98.4%, 60%, 15.3%
HSLhsl(32.3, 96.4%, 56.9%)
HSV / HSBhsv(32.3, 84.5%, 98.4%)
CMYK0%, 39%, 84.5%, 1.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,488,743
CSS custom property--colour: #FB9927;
Brightness & contrast
Relative luminance0.43438WCAG 2.x, 0 is black and 1 is white
Perceived brightness181 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.69:1
Contrast with white2.17:1WCAG normal text: Fail
Contrast with black9.69:1WCAG normal text: AAA
Greyscale equivalent#A6A6A6
Inverted#0466D8
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.17:1WCAG large text: Fail
Contrast with black, large text9.69:1WCAG large text: AAA
Named colours
Hue familyorange
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#2789FB
Analogous#FB2F27, #F3FB27
Triadic#27FB99, #9927FB
Split complementary#27F3FB, #2F27FB
Tetradic#27FB2F, #2789FB, #FB27F3
Tints, shades & saturation
Channel breakdown
R251
G153
B39
Red251 (98.4%)
Green153 (60%)
Blue39 (15.3%)
Hue32.26°
Saturation (HSL)96.36%
Lightness56.86%
Dominant channelRed
Hex per channelR FB · G 99 · B 27
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Also reads as
FB9927 (chemical formula)
- Formula
- 107,329.868 g/mol
- 9928 atoms
FB9927 has a molar mass of 107,329.868 g/mol, made up of 9928 atoms across 2 elements: 1 × F, 9927 × B.
Molar mass
Molar mass107,329.868 g/mol
Total atoms per molecule9928
Distinct elements2
Mass of one molecule1.7822544 × 10^-19 g
Molecules per gram5.6108713 × 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, 0.018%
Boron (B × 9927)107,310.87 g/mol, 99.982%
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