Recognised as Colour
#CEB821
- #CEB821
- Yellow
- Dark
- Nearest: Goldenrod
#CEB821 is a yellow with RGB values 206, 184, 33 and HSL 52°, 72%, 47%. It is a dark colour, so black text on it reaches 10.5:1 contrast (AAA for normal text). The nearest named colour is Goldenrod.
Colour values
#CEB821#CEB821
HEX#CEB821
RGBrgb(206, 184, 33)
RGB (0–1)0.8078, 0.7216, 0.1294
RGB percentages80.8%, 72.2%, 12.9%
HSLhsl(52.4, 72.4%, 46.9%)
HSV / HSBhsv(52.4, 84%, 80.8%)
CMYK0%, 10.7%, 84%, 19.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,547,553
CSS custom property--colour: #CEB821;
Brightness & contrast
Relative luminance0.47513WCAG 2.x, 0 is black and 1 is white
Perceived brightness180.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.5:1
Contrast with white2:1WCAG normal text: Fail
Contrast with black10.5:1WCAG normal text: AAA
Greyscale equivalent#B2B2B2
Inverted#3147DE
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2:1WCAG large text: Fail
Contrast with black, large text10.5:1WCAG large text: AAA
Named colours
Hue familyyellow
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#2137CE
Analogous#CE6121, #8ECE21
Triadic#21CEB8, #B821CE
Split complementary#218DCE, #6221CE
Tetradic#21CE61, #2137CE, #CE218D
Tints, shades & saturation
Channel breakdown
R206
G184
B33
Red206 (80.8%)
Green184 (72.2%)
Blue33 (12.9%)
Hue52.37°
Saturation (HSL)72.38%
Lightness46.86%
Dominant channelRed
Hex per channelR CE · G B8 · B 21
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Also reads as
CeB821 (chemical formula)
- Formula
- 9,015.13 g/mol
- 822 atoms
CeB821 has a molar mass of 9,015.13 g/mol, made up of 822 atoms across 2 elements: 1 × Ce, 821 × B.
Molar mass
Molar mass9,015.13 g/mol
Total atoms per molecule822
Distinct elements2
Mass of one molecule1.4969976 × 10^-20 g
Molecules per gram6.6800376 × 10^19
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
Ce1.6%
B98.4%
Cerium (Ce)140.12 g/mol, 1.554%
Boron (B × 821)8,875.01 g/mol, 98.446%
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