Recognised as Colour
#F66C27
- #F66C27
- Orange
- Dark
- Nearest: Chocolate
#F66C27 is a orange with RGB values 246, 108, 39 and HSL 20°, 92%, 56%. It is a dark colour, so black text on it reaches 7.1:1 contrast (AAA for normal text). The nearest named colour is Chocolate.
Colour values
#F66C27#F66C27
HEX#F66C27
RGBrgb(246, 108, 39)
RGB (0–1)0.9647, 0.4235, 0.1529
RGB percentages96.5%, 42.4%, 15.3%
HSLhsl(20, 92%, 55.9%)
HSV / HSBhsv(20, 84.1%, 96.5%)
CMYK0%, 56.1%, 84.1%, 3.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,149,543
CSS custom property--colour: #F66C27;
Brightness & contrast
Relative luminance0.30464WCAG 2.x, 0 is black and 1 is white
Perceived brightness158.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.09:1
Contrast with white2.96:1WCAG normal text: Fail
Contrast with black7.09:1WCAG normal text: AAA
Greyscale equivalent#848484
Inverted#0993D8
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.96:1WCAG large text: Fail
Contrast with black, large text7.09:1WCAG large text: AAA
Named colours
Hue familyorange
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#27B1F6
Analogous#F6274A, #F6D427
Triadic#27F66C, #6C27F6
Split complementary#27F6D4, #2749F6
Tetradic#4AF627, #27B1F6, #D327F6
Tints, shades & saturation
Channel breakdown
R246
G108
B39
Red246 (96.5%)
Green108 (42.4%)
Blue39 (15.3%)
Hue20°
Saturation (HSL)92%
Lightness55.88%
Dominant channelRed
Hex per channelR F6 · G 6C · B 27
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Also reads as
F66C27 (chemical formula)
- Formula
- 1,578.165 g/mol
- 93 atoms
F66C27 has a molar mass of 1,578.165 g/mol, made up of 93 atoms across 2 elements: 66 × F, 27 × C.
Molar mass
Molar mass1,578.165 g/mol
Total atoms per molecule93
Distinct elements2
Mass of one molecule2.6206046 × 10^-21 g
Molecules per gram3.8159133 × 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
F79.5%
C20.5%
Fluorine (F × 66)1,253.868 g/mol, 79.451%
Carbon (C × 27)324.297 g/mol, 20.549%
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