Recognised as Colour
#CE570F
- #CE570F
- Orange
- Dark
- Nearest: Chocolate
#CE570F is a orange with RGB values 206, 87, 15 and HSL 23°, 86%, 43%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Chocolate.
Colour values
#CE570F#CE570F
HEX#CE570F
RGBrgb(206, 87, 15)
RGB (0–1)0.8078, 0.3412, 0.0588
RGB percentages80.8%, 34.1%, 5.9%
HSLhsl(22.6, 86.4%, 43.3%)
HSV / HSBhsv(22.6, 92.7%, 80.8%)
CMYK0%, 57.8%, 92.7%, 19.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,522,703
CSS custom property--colour: #CE570F;
Brightness & contrast
Relative luminance0.19973WCAG 2.x, 0 is black and 1 is white
Perceived brightness131 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.99:1
Contrast with white4.2:1WCAG normal text: Fail
Contrast with black4.99:1WCAG normal text: AA
Greyscale equivalent#6B6B6B
Inverted#31A8F0
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.2:1WCAG large text: AA
Contrast with black, large text4.99:1WCAG large text: AAA
Named colours
Hue familyorange
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#0F86CE
Analogous#CE0F27, #CEB70F
Triadic#0FCE57, #570FCE
Split complementary#0FCEB7, #0F26CE
Tetradic#26CE0F, #0F86CE, #B60FCE
Tints, shades & saturation
Channel breakdown
R206
G87
B15
Red206 (80.8%)
Green87 (34.1%)
Blue15 (5.9%)
Hue22.62°
Saturation (HSL)86.43%
Lightness43.33%
Dominant channelRed
Hex per channelR CE · G 57 · B 0F
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Also reads as
Ce570F (chemical formula)
- Formula
- 79,887.398 g/mol
- 571 atoms
Ce570F has a molar mass of 79,887.398 g/mol, made up of 571 atoms across 2 elements: 570 × Ce, 1 × F.
Molar mass
Molar mass79,887.398 g/mol
Total atoms per molecule571
Distinct elements2
Mass of one molecule1.3265615 × 10^-19 g
Molecules per gram7.5382863 × 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
Ce100%
F0%
Cerium (Ce × 570)79,868.4 g/mol, 99.976%
Fluorine (F)18.998 g/mol, 0.024%
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