Recognised as Colour
#CEB311
- #CEB311
- Yellow
- Dark
- Nearest: Goldenrod
#CEB311 is a yellow with RGB values 206, 179, 17 and HSL 51°, 85%, 44%. It is a dark colour, so black text on it reaches 10.1:1 contrast (AAA for normal text). The nearest named colour is Goldenrod.
Colour values
#CEB311#CEB311
HEX#CEB311
RGBrgb(206, 179, 17)
RGB (0–1)0.8078, 0.702, 0.0667
RGB percentages80.8%, 70.2%, 6.7%
HSLhsl(51.4, 84.8%, 43.7%)
HSV / HSBhsv(51.4, 91.7%, 80.8%)
CMYK0%, 13.1%, 91.7%, 19.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,546,257
CSS custom property--colour: #CEB311;
Brightness & contrast
Relative luminance0.45402WCAG 2.x, 0 is black and 1 is white
Perceived brightness177.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.08:1
Contrast with white2.08:1WCAG normal text: Fail
Contrast with black10.08:1WCAG normal text: AAA
Greyscale equivalent#ADADAD
Inverted#314CEE
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.08:1WCAG large text: Fail
Contrast with black, large text10.08:1WCAG large text: AAA
Named colours
Hue familyyellow
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#112CCE
Analogous#CE5511, #8ACE11
Triadic#11CEB3, #B311CE
Split complementary#118BCE, #5511CE
Tetradic#11CE55, #112CCE, #CE118A
Tints, shades & saturation
Channel breakdown
R206
G179
B17
Red206 (80.8%)
Green179 (70.2%)
Blue17 (6.7%)
Hue51.43°
Saturation (HSL)84.75%
Lightness43.73%
Dominant channelRed
Hex per channelR CE · G B3 · B 11
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Also reads as
CeB311 (chemical formula)
- Formula
- 3,502.03 g/mol
- 312 atoms
CeB311 has a molar mass of 3,502.03 g/mol, made up of 312 atoms across 2 elements: 1 × Ce, 311 × B.
Molar mass
Molar mass3,502.03 g/mol
Total atoms per molecule312
Distinct elements2
Mass of one molecule5.8152576 × 10^-21 g
Molecules per gram1.7196143 × 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
Ce4%
B96%
Cerium (Ce)140.12 g/mol, 4.001%
Boron (B × 311)3,361.91 g/mol, 95.999%
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