Recognised as Colour

#BB7575

#BB7575
Red
Dark
Nearest: Rosy brown

#BB7575 is a red with RGB values 187, 117, 117 and HSL 0°, 34%, 60%. It is a dark colour, so black text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Rosy brown.

Colour values

#BB7575#BB7575

HEX#BB7575

RGBrgb(187, 117, 117)

RGB (0–1)0.7333, 0.4588, 0.4588

RGB percentages73.3%, 45.9%, 45.9%

HSLhsl(0, 34%, 59.6%)

HSV / HSBhsv(0, 37.4%, 73.3%)

CMYK0%, 37.4%, 37.4%, 26.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,285,301

CSS custom property--colour: #BB7575;

Brightness & contrast

Relative luminance0.24572WCAG 2.x, 0 is black and 1 is white

Perceived brightness141.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.91:1

Contrast with white3.55:1WCAG normal text: Fail

Contrast with black5.91:1WCAG normal text: AA

Greyscale equivalent#848484

Inverted#448A8A

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#838075no red cones; affects about 1% of men; ΔE 29.1 from the original

Deuteranopia#948D74no green cones; the most common form, about 1% of men; ΔE 29.4 from the original

Tritanopia#C86D75no blue cones; rare, and affects men and women equally; ΔE 9.3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text3.55:1WCAG large text: AA

Contrast with black, large text5.91:1WCAG large text: AAA

Named colours

Rosy brown · ΔE 13.5 Light coral · ΔE 19.7 Indian red · ΔE 20.5 Dark salmon · ΔE 20.8 Pale violetred · ΔE 21.6 Light pink · ΔE 25.3

Nearest named CSS colourRosy brown (#BC8F8F)ΔE 13.54, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#75BBBB

Analogous#BB7598, #BB9875

Triadic#75BB75, #7575BB

Split complementary#75BB98, #7598BB

Tetradic#98BB75, #75BBBB, #9875BB

Tints, shades & saturation

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

Lighter +40%#FEFEFE

Lighter +30%#EEDBDB

Lighter +20%#DDB9B9

Lighter +10%#CC9797

Darker −10%#A95454

Darker −20%#874343

Darker −30%#653232

Darker −40%#432121

More saturated +25%#D55B5B

Less saturated −25%#A18F8F

Channel breakdown

R187

G117

B117

Red187 (73.3%)

Green117 (45.9%)

Blue117 (45.9%)

Hue0°

Saturation (HSL)33.98%

Lightness59.61%

Dominant channelRed

Hex per channelR BB · G 75 · B 75

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Harmonies

Lighter and darker

Similar named colours

Also reads as

BB7575 (chemical formula)

Formula
81,896.56 g/mol
7576 atoms

BB7575 has a molar mass of 81,896.56 g/mol, made up of 7576 atoms across 1 element: 7576 × B.

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Molar mass

Molar mass81,896.56 g/mol

Total atoms per molecule7576

Distinct elements1

Mass of one molecule1.3599244 × 10^-19 g

Molecules per gram7.3533501 × 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

B100%

Boron (B × 7576)81,896.56 g/mol, 100%

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Elements in this formula

Boron

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