Recognised as Colour

#B1802F

#B1802F
Orange
Dark
Nearest: Peru

#B1802F is a orange with RGB values 177, 128, 47 and HSL 37°, 58%, 44%. 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

#B1802F#B1802F

HEX#B1802F

RGBrgb(177, 128, 47)

RGB (0–1)0.6941, 0.502, 0.1843

RGB percentages69.4%, 50.2%, 18.4%

HSLhsl(37.4, 58%, 43.9%)

HSV / HSBhsv(37.4, 73.4%, 69.4%)

CMYK0%, 27.7%, 73.4%, 30.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,632,687

CSS custom property--colour: #B1802F;

Brightness & contrast

Relative luminance0.24991WCAG 2.x, 0 is black and 1 is white

Perceived brightness138.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6:1

Contrast with white3.5:1WCAG normal text: Fail

Contrast with black6:1WCAG normal text: AA

Greyscale equivalent#858585

Inverted#4E7FD0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#928224no red cones; affects about 1% of men; ΔE 16 from the original

Deuteranopia#9E8E32no green cones; the most common form, about 1% of men; ΔE 16.2 from the original

Tritanopia#C1736Fno blue cones; rare, and affects men and women equally; ΔE 38.9 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text3.5:1WCAG large text: AA

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

Named colours

Peru · ΔE 11.4 Dark goldenrod · ΔE 13.6 Sandy brown · ΔE 20.8 Goldenrod · ΔE 23.9 Olive · ΔE 25.7 Saddle brown · ΔE 26.2

Nearest named CSS colourPeru (#CD853F)ΔE 11.37, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2F60B1

Analogous#B13F2F, #A1B12F

Triadic#2FB180, #802FB1

Split complementary#2FA1B1, #3F2FB1

Tetradic#2FB13F, #2F60B1, #B12FA1

Tints, shades & saturation

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

Lighter +40%#EEDCBE

Lighter +30%#E3C696

Lighter +20%#D8B06E

Lighter +10%#CE9A45

Darker −10%#896324

Darker −20%#60461A

Darker −30%#38290F

Darker −40%#100B04

More saturated +25%#CD8713

Less saturated −25%#95794B

Channel breakdown

R177

G128

B47

Red177 (69.4%)

Green128 (50.2%)

Blue47 (18.4%)

Hue37.38°

Saturation (HSL)58.04%

Lightness43.92%

Dominant channelRed

Hex per channelR B1 · G 80 · B 2F

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

B1802F (chemical formula)

Formula
19,498.618 g/mol
1803 atoms

B1802F has a molar mass of 19,498.618 g/mol, made up of 1803 atoms across 2 elements: 1802 × B, 1 × F.

Open this reading on its own page →

Molar mass

Molar mass19,498.618 g/mol

Total atoms per molecule1803

Distinct elements2

Mass of one molecule3.2378217 × 10^-20 g

Molecules per gram3.0884962 × 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

B99.9%

F0.1%

Boron (B × 1802)19,479.62 g/mol, 99.903%

Fluorine (F)18.998 g/mol, 0.097%

Keep nerding

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

Elements in this formula

Nerdulate something else

Nothing in mind? Surprise me · today’s page