Recognised as Colour

#B14015

#B14015
Orange
Dark
Nearest: Firebrick

#B14015 is a orange with RGB values 177, 64, 21 and HSL 17°, 79%, 39%. It is a dark colour, so white text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#B14015#B14015

HEX#B14015

RGBrgb(177, 64, 21)

RGB (0–1)0.6941, 0.251, 0.0824

RGB percentages69.4%, 25.1%, 8.2%

HSLhsl(16.5, 78.8%, 38.8%)

HSV / HSBhsv(16.5, 88.1%, 69.4%)

CMYK0%, 63.8%, 88.1%, 30.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,616,277

CSS custom property--colour: #B14015;

Brightness & contrast

Relative luminance0.13068WCAG 2.x, 0 is black and 1 is white

Perceived brightness108.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.81:1

Contrast with white5.81:1WCAG normal text: AA

Contrast with black3.61:1WCAG normal text: Fail

Greyscale equivalent#555555

Inverted#4EBFEA

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#61550Cno red cones; affects about 1% of men; ΔE 48.4 from the original

Deuteranopia#7D6F0Eno green cones; the most common form, about 1% of men; ΔE 49 from the original

Tritanopia#C32038no blue cones; rare, and affects men and women equally; ΔE 25.2 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text5.81:1WCAG large text: AAA

Contrast with black, large text3.61:1WCAG large text: AA

Named colours

Firebrick · ΔE 15.6 Dark red · ΔE 17.3 Chocolate · ΔE 17.7 Brown · ΔE 18.4 Sienna · ΔE 18.9 Saddle brown · ΔE 19.5

Nearest named CSS colourFirebrick (#B22222)ΔE 15.64, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1586B1

Analogous#B11538, #B18E15

Triadic#15B140, #4015B1

Split complementary#15B18E, #1538B1

Tetradic#38B115, #1586B1, #8E15B1

Tints, shades & saturation

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

Lighter +40%#F4B69E

Lighter +30%#EE9371

Lighter +20%#E97143

Lighter +10%#DF501A

Darker −10%#833010

Darker −20%#561F0A

Darker −30%#280F05

Darker −40%#000000

More saturated +25%#C63700

Less saturated −25%#984B2E

Channel breakdown

R177

G64

B21

Red177 (69.4%)

Green64 (25.1%)

Blue21 (8.2%)

Hue16.54°

Saturation (HSL)78.79%

Lightness38.82%

Dominant channelRed

Hex per channelR B1 · G 40 · B 15

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B14015 (chemical formula)

Formula
151,502.15 g/mol
14015 atoms

B14015 has a molar mass of 151,502.15 g/mol, made up of 14015 atoms across 1 element: 14015 × B.

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Molar mass

Molar mass151,502.15 g/mol

Total atoms per molecule14015

Distinct elements1

Mass of one molecule2.5157524 × 10^-19 g

Molecules per gram3.974954 × 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 × 14015)151,502.15 g/mol, 100%

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Elements in this formula

Boron

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