Recognised as Colour

#B2802B

#B2802B
Orange
Dark
Nearest: Peru

#B2802B is a orange with RGB values 178, 128, 43 and HSL 38°, 61%, 43%. It is a dark colour, so black text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Peru.

Colour values

#B2802B#B2802B

HEX#B2802B

RGBrgb(178, 128, 43)

RGB (0–1)0.698, 0.502, 0.1686

RGB percentages69.8%, 50.2%, 16.9%

HSLhsl(37.8, 61.1%, 43.3%)

HSV / HSBhsv(37.8, 75.8%, 69.8%)

CMYK0%, 28.1%, 75.8%, 30.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,698,219

CSS custom property--colour: #B2802B;

Brightness & contrast

Relative luminance0.25078WCAG 2.x, 0 is black and 1 is white

Perceived brightness138.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.02:1

Contrast with white3.49:1WCAG normal text: Fail

Contrast with black6.02:1WCAG normal text: AA

Greyscale equivalent#848484

Inverted#4D7FD4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#93821Eno red cones; affects about 1% of men; ΔE 16.1 from the original

Deuteranopia#9E8E2Eno green cones; the most common form, about 1% of men; ΔE 16.7 from the original

Tritanopia#C2726Fno blue cones; rare, and affects men and women equally; ΔE 40.9 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text3.49:1WCAG large text: AA

Contrast with black, large text6.02:1WCAG large text: AAA

Named colours

Peru · ΔE 11.5 Dark goldenrod · ΔE 11.8 Sandy brown · ΔE 20.9 Goldenrod · ΔE 22.5 Olive · ΔE 25.5 Chocolate · ΔE 26.3

Nearest named CSS colourPeru (#CD853F)ΔE 11.48, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2B5DB2

Analogous#B23D2B, #A1B22B

Triadic#2BB280, #802BB2

Split complementary#2BA0B2, #3D2BB2

Tetradic#2BB23C, #2B5DB2, #B22BA0

Tints, shades & saturation

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

Lighter +40%#EEDBBB

Lighter +30%#E5C691

Lighter +20%#DBB068

Lighter +10%#D19B3F

Darker −10%#896221

Darker −20%#604517

Darker −30%#37270D

Darker −40%#0E0A03

More saturated +25%#CE870F

Less saturated −25%#967947

Channel breakdown

R178

G128

B43

Red178 (69.8%)

Green128 (50.2%)

Blue43 (16.9%)

Hue37.78°

Saturation (HSL)61.09%

Lightness43.33%

Dominant channelRed

Hex per channelR B2 · G 80 · B 2B

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Harmonies

Lighter and darker

Similar named colours

Also reads as

B2802B (chemical formula)

Formula
30,300.43 g/mol
2803 atoms

B2802B has a molar mass of 30,300.43 g/mol, made up of 2803 atoms across 1 element: 2803 × B.

Open this reading on its own page →

Molar mass

Molar mass30,300.43 g/mol

Total atoms per molecule2803

Distinct elements1

Mass of one molecule5.0315048 × 10^-20 g

Molecules per gram1.987477 × 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

B100%

Boron (B × 2803)30,300.43 g/mol, 100%

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Elements in this formula

Boron

Nerdulate something else

Nothing in mind? Surprise me · today’s page