Recognised as Colour

#B25700

#B25700
Orange
Dark
Nearest: Chocolate

#B25700 is a orange with RGB values 178, 87, 0 and HSL 29°, 100%, 35%. It is a dark colour, so white text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Chocolate.

Colour values

#B25700#B25700

HEX#B25700

RGBrgb(178, 87, 0)

RGB (0–1)0.698, 0.3412, 0

RGB percentages69.8%, 34.1%, 0%

HSLhsl(29.3, 100%, 34.9%)

HSV / HSBhsv(29.3, 100%, 69.8%)

CMYK0%, 51.1%, 100%, 30.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,687,680

CSS custom property--colour: #B25700;

Brightness & contrast

Relative luminance0.16281WCAG 2.x, 0 is black and 1 is white

Perceived brightness118 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.93:1

Contrast with white4.93:1WCAG normal text: AA

Contrast with black4.26:1WCAG normal text: Fail

Greyscale equivalent#646464

Inverted#4DA8FF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#726300no red cones; affects about 1% of men; ΔE 37.5 from the original

Deuteranopia#887800no green cones; the most common form, about 1% of men; ΔE 37.8 from the original

Tritanopia#C4424Ano blue cones; rare, and affects men and women equally; ΔE 37.5 from the original

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

Contrast with white, large text4.93:1WCAG large text: AAA

Contrast with black, large text4.26:1WCAG large text: AA

Named colours

Chocolate · ΔE 9.6 Saddle brown · ΔE 19.5 Peru · ΔE 20.3 Sienna · ΔE 21.4 Coral · ΔE 25.2 Dark goldenrod · ΔE 26.6

Nearest named CSS colourChocolate (#D2691E)ΔE 9.6, clearly different but related

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#005BB2

Analogous#B20002, #B2B000

Triadic#00B257, #5700B2

Split complementary#00B2B0, #0002B2

Tetradic#02B200, #005BB2, #B000B2

Tints, shades & saturation

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

Lighter +40%#FFBE7F

Lighter +30%#FFA34C

Lighter +20%#FF8919

Lighter +10%#E57000

Darker −10%#7F3E00

Darker −20%#4C2500

Darker −30%#190C00

Darker −40%#000000

More saturated +25%#B25700

Less saturated −25%#9C5716

Channel breakdown

R178

G87

Red178 (69.8%)

Green87 (34.1%)

Blue0 (0%)

Hue29.33°

Saturation (HSL)100%

Lightness34.9%

Dominant channelRed

Hex per channelR B2 · G 57 · B 00

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B25700 (chemical formula)

Formula
277,817 g/mol
25700 atoms

B25700 has a molar mass of 277,817 g/mol, made up of 25700 atoms across 1 element: 25700 × B.

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Molar mass

Molar mass277,817 g/mol

Total atoms per molecule25700

Distinct elements1

Mass of one molecule4.6132598 × 10^-19 g

Molecules per gram2.1676646 × 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 × 25700)277,817 g/mol, 100%

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Elements in this formula

Boron

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