Recognised as Colour
#F28C5B
- #F28C5B
- Orange
- Dark
- Nearest: Light salmon
#F28C5B is a orange with RGB values 242, 140, 91 and HSL 19°, 85%, 65%. It is a dark colour, so black text on it reaches 8.7:1 contrast (AAA for normal text). The nearest named colour is Light salmon.
Colour values
#F28C5B#F28C5B
HEX#F28C5B
RGBrgb(242, 140, 91)
RGB (0–1)0.949, 0.549, 0.3569
RGB percentages94.9%, 54.9%, 35.7%
HSLhsl(19.5, 85.3%, 65.3%)
HSV / HSBhsv(19.5, 62.4%, 94.9%)
CMYK0%, 42.1%, 62.4%, 5.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,895,643
CSS custom property--colour: #F28C5B;
Brightness & contrast
Relative luminance0.38389WCAG 2.x, 0 is black and 1 is white
Perceived brightness173.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.68:1
Contrast with white2.42:1WCAG normal text: Fail
Contrast with black8.68:1WCAG normal text: AAA
Greyscale equivalent#9E9E9E
Inverted#0D73A4
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.42:1WCAG large text: Fail
Contrast with black, large text8.68:1WCAG large text: AAA
Named colours
Hue familyorange
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#5BC1F2
Analogous#F25B75, #F2D85B
Triadic#5BF28C, #8C5BF2
Split complementary#5BF2D8, #5B76F2
Tetradic#75F25B, #5BC1F2, #D85BF2
Tints, shades & saturation
Channel breakdown
R242
G140
B91
Red242 (94.9%)
Green140 (54.9%)
Blue91 (35.7%)
Hue19.47°
Saturation (HSL)85.31%
Lightness65.29%
Dominant channelRed
Hex per channelR F2 · G 8C · B 5B
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Harmonies
Similar named colours
Also reads as
F28C5B (chemical formula)
- Formula
- 602.809 g/mol
- 34 atoms
F28C5B has a molar mass of 602.809 g/mol, made up of 34 atoms across 3 elements: 28 × F, 5 × C, 1 × B.
Molar mass
Molar mass602.809 g/mol
Total atoms per molecule34
Distinct elements3
Mass of one molecule1.0009879 × 10^-21 g
Molecules per gram9.9901308 × 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
F88.2%
C10%
B1.8%
Fluorine (F × 28)531.944 g/mol, 88.244%
Carbon (C × 5)60.055 g/mol, 9.963%
Boron (B)10.81 g/mol, 1.793%
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