Recognised as Colour

#CB9757

#CB9757
Orange
Dark
Nearest: Peru

#CB9757 is a orange with RGB values 203, 151, 87 and HSL 33°, 53%, 57%. It is a dark colour, so black text on it reaches 8.1:1 contrast (AAA for normal text). The nearest named colour is Peru.

Colour values

#CB9757#CB9757

HEX#CB9757

RGBrgb(203, 151, 87)

RGB (0–1)0.7961, 0.5922, 0.3412

RGB percentages79.6%, 59.2%, 34.1%

HSLhsl(33.1, 52.7%, 56.9%)

HSV / HSBhsv(33.1, 57.1%, 79.6%)

CMYK0%, 25.6%, 57.1%, 20.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,342,551

CSS custom property--colour: #CB9757;

Brightness & contrast

Relative luminance0.35518WCAG 2.x, 0 is black and 1 is white

Perceived brightness163 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 8.1:1

Contrast with white2.59:1WCAG normal text: Fail

Contrast with black8.1:1WCAG normal text: AAA

Greyscale equivalent#9D9D9D

Inverted#3468A8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#A99A51no red cones; affects about 1% of men; ΔE 16.9 from the original

Deuteranopia#B5A658no green cones; the most common form, about 1% of men; ΔE 17.5 from the original

Tritanopia#DB8A88no blue cones; rare, and affects men and women equally; ΔE 32.5 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text2.59:1WCAG large text: Fail

Contrast with black, large text8.1:1WCAG large text: AAA

Named colours

Peru · ΔE 12.2 Sandy brown · ΔE 14.5 Burlywood · ΔE 16.3 Tan · ΔE 20.1 Dark salmon · ΔE 21 Light salmon · ΔE 21.9

Nearest named CSS colourPeru (#CD853F)ΔE 12.25, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#578BCB

Analogous#CB5D57, #C5CB57

Triadic#57CB97, #9757CB

Split complementary#57C5CB, #5D57CB

Tetradic#57CB5D, #578BCB, #CB57C5

Tints, shades & saturation

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

Lighter +40%#FBF7F3

Lighter +30%#EFDFCC

Lighter +20%#E3C7A5

Lighter +10%#D7AF7E

Darker −10%#B77E38

Darker −20%#90632C

Darker −30%#694820

Darker −40%#422D14

More saturated +25%#E69A3C

Less saturated −25%#B09473

Channel breakdown

R203

G151

B87

Red203 (79.6%)

Green151 (59.2%)

Blue87 (34.1%)

Hue33.1°

Saturation (HSL)52.73%

Lightness56.86%

Dominant channelRed

Hex per channelR CB · G 97 · B 57

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Harmonies

Lighter and darker

Similar named colours

Also reads as

CB9757 (chemical formula)

Formula
105,485.181 g/mol
9758 atoms

CB9757 has a molar mass of 105,485.181 g/mol, made up of 9758 atoms across 2 elements: 1 × C, 9757 × B.

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Molar mass

Molar mass105,485.181 g/mol

Total atoms per molecule9758

Distinct elements2

Mass of one molecule1.7516226 × 10^-19 g

Molecules per gram5.7089922 × 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

C0%

B100%

Carbon (C)12.011 g/mol, 0.011%

Boron (B × 9757)105,473.17 g/mol, 99.989%

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