Recognised as Colour

#CEB557

#CEB557
Yellow
Dark
Nearest: Dark khaki

#CEB557 is a yellow with RGB values 206, 181, 87 and HSL 47°, 55%, 57%. It is a dark colour, so black text on it reaches 10.4:1 contrast (AAA for normal text). The nearest named colour is Dark khaki.

Colour values

#CEB557#CEB557

HEX#CEB557

RGBrgb(206, 181, 87)

RGB (0–1)0.8078, 0.7098, 0.3412

RGB percentages80.8%, 71%, 34.1%

HSLhsl(47.4, 54.8%, 57.5%)

HSV / HSBhsv(47.4, 57.8%, 80.8%)

CMYK0%, 12.1%, 57.8%, 19.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,546,839

CSS custom property--colour: #CEB557;

Brightness & contrast

Relative luminance0.46858WCAG 2.x, 0 is black and 1 is white

Perceived brightness181.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 10.37:1

Contrast with white2.02:1WCAG normal text: Fail

Contrast with black10.37:1WCAG normal text: AAA

Greyscale equivalent#B4B4B4

Inverted#314AA8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#C5B24Eno red cones; affects about 1% of men; ΔE 3.9 from the original

Deuteranopia#CCBA5Bno green cones; the most common form, about 1% of men; ΔE 3.4 from the original

Tritanopia#DDA9A0no blue cones; rare, and affects men and women equally; ΔE 43.3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text2.02:1WCAG large text: Fail

Contrast with black, large text10.37:1WCAG large text: AAA

Named colours

Dark khaki · ΔE 12.8 Khaki · ΔE 18.3 Goldenrod · ΔE 21.7 Burlywood · ΔE 22.6 Dark goldenrod · ΔE 22.9 Olive · ΔE 25.4

Nearest named CSS colourDark khaki (#BDB76B)ΔE 12.75, a distinctly different colour

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#5770CE

Analogous#CE7A57, #ABCE57

Triadic#57CEB5, #B557CE

Split complementary#57ABCE, #7A57CE

Tetradic#57CE7A, #5770CE, #CE57AB

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#FCFBF5

Lighter +30%#F1E9CD

Lighter +20%#E5D8A6

Lighter +10%#DAC67E

Darker −10%#BB9F37

Darker −20%#947E2B

Darker −30%#6C5C20

Darker −40%#453B14

More saturated +25%#E9C53C

Less saturated −25%#B3A572

Channel breakdown

R206

G181

B87

Red206 (80.8%)

Green181 (71%)

Blue87 (34.1%)

Hue47.39°

Saturation (HSL)54.84%

Lightness57.45%

Dominant channelRed

Hex per channelR CE · G B5 · B 57

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Harmonies

Lighter and darker

Similar named colours

Also reads as

CeB557 (chemical formula)

Formula
6,161.29 g/mol
558 atoms

CeB557 has a molar mass of 6,161.29 g/mol, made up of 558 atoms across 2 elements: 1 × Ce, 557 × B.

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Molar mass

Molar mass6,161.29 g/mol

Total atoms per molecule558

Distinct elements2

Mass of one molecule1.0231063 × 10^-20 g

Molecules per gram9.7741557 × 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

Ce2.3%

B97.7%

Cerium (Ce)140.12 g/mol, 2.274%

Boron (B × 557)6,021.17 g/mol, 97.726%

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Elements in this formula

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