Recognised as Colour

#B58930

#B58930
Orange
Dark
Nearest: Dark goldenrod

#B58930 is a orange with RGB values 181, 137, 48 and HSL 40°, 58%, 45%. It is a dark colour, so black text on it reaches 6.6:1 contrast (AA for normal text). The nearest named colour is Dark goldenrod.

Colour values

#B58930#B58930

HEX#B58930

RGBrgb(181, 137, 48)

RGB (0–1)0.7098, 0.5373, 0.1882

RGB percentages71%, 53.7%, 18.8%

HSLhsl(40.2, 58.1%, 44.9%)

HSV / HSBhsv(40.2, 73.5%, 71%)

CMYK0%, 24.3%, 73.5%, 29%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,897,136

CSS custom property--colour: #B58930;

Brightness & contrast

Relative luminance0.27928WCAG 2.x, 0 is black and 1 is white

Perceived brightness145.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.59:1

Contrast with white3.19:1WCAG normal text: Fail

Contrast with black6.59:1WCAG normal text: AA

Greyscale equivalent#8C8C8C

Inverted#4A76CF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#9B8A24no red cones; affects about 1% of men; ΔE 13.2 from the original

Deuteranopia#A59534no green cones; the most common form, about 1% of men; ΔE 13.6 from the original

Tritanopia#C57C77no blue cones; rare, and affects men and women equally; ΔE 42.1 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text3.19:1WCAG large text: AA

Contrast with black, large text6.59:1WCAG large text: AAA

Named colours

Dark goldenrod · ΔE 11.1 Peru · ΔE 14.1 Goldenrod · ΔE 20.2 Sandy brown · ΔE 21.3 Olive · ΔE 22.9 Dark khaki · ΔE 24.9

Nearest named CSS colourDark goldenrod (#B8860B)ΔE 11.07, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#305CB5

Analogous#B54630, #9FB530

Triadic#30B589, #8930B5

Split complementary#309FB5, #4630B5

Tetradic#30B546, #305CB5, #B5309F

Tints, shades & saturation

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

Lighter +40%#EFE0C2

Lighter +30%#E4CC9A

Lighter +20%#D9B772

Lighter +10%#CFA349

Darker −10%#8D6A25

Darker −20%#644C1B

Darker −30%#3C2D10

Darker −40%#140F05

More saturated +25%#D29313

Less saturated −25%#987F4D

Channel breakdown

R181

G137

B48

Red181 (71%)

Green137 (53.7%)

Blue48 (18.8%)

Hue40.15°

Saturation (HSL)58.08%

Lightness44.9%

Dominant channelRed

Hex per channelR B5 · G 89 · B 30

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

B58930 (chemical formula)

Formula
637,033.3 g/mol
58930 atoms

B58930 has a molar mass of 637,033.3 g/mol, made up of 58930 atoms across 1 element: 58930 × B.

Open this reading on its own page →

Molar mass

Molar mass637,033.3 g/mol

Total atoms per molecule58930

Distinct elements1

Mass of one molecule1.0578187 × 10^-18 g

Molecules per gram9.453416 × 10^17

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 × 58930)637,033.3 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