Recognised as Colour

#F8B523

#F8B523
Orange
Light
Nearest: Goldenrod

#F8B523 is a orange with RGB values 248, 181, 35 and HSL 41°, 94%, 55%. It is a light colour, so black text on it reaches 11.6:1 contrast (AAA for normal text). The nearest named colour is Goldenrod.

Colour values

#F8B523#F8B523

HEX#F8B523

RGBrgb(248, 181, 35)

RGB (0–1)0.9725, 0.7098, 0.1373

RGB percentages97.3%, 71%, 13.7%

HSLhsl(41.1, 93.8%, 55.5%)

HSV / HSBhsv(41.1, 85.9%, 97.3%)

CMYK0%, 27%, 85.9%, 2.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,299,299

CSS custom property--colour: #F8B523;

Brightness & contrast

Relative luminance0.53126WCAG 2.x, 0 is black and 1 is white

Perceived brightness194.3 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 11.63:1

Contrast with white1.81:1WCAG normal text: Fail

Contrast with black11.63:1WCAG normal text: AAA

Greyscale equivalent#B9B9B9

Inverted#074ADC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#CFB700no red cones; affects about 1% of men; ΔE 19.7 from the original

Deuteranopia#DFC82Cno green cones; the most common form, about 1% of men; ΔE 20.5 from the original

Tritanopia#FFA29Bno blue cones; rare, and affects men and women equally; ΔE 60.6 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.81:1WCAG large text: Fail

Contrast with black, large text11.63:1WCAG large text: AAA

Named colours

Goldenrod · ΔE 10.6 Orange · ΔE 11.9 Gold · ΔE 21.2 Dark goldenrod · ΔE 22.7 Dark orange · ΔE 25.2 Sandy brown · ΔE 30.3

Nearest named CSS colourGoldenrod (#DAA520)ΔE 10.58, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2366F8

Analogous#F84B23, #D0F823

Triadic#23F8B5, #B523F8

Split complementary#23D1F8, #4A23F8

Tetradic#23F84B, #2366F8, #F823D1

Tints, shades & saturation

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

Lighter +40%#FEF8E9

Lighter +30%#FDE7B7

Lighter +20%#FBD686

Lighter +10%#FAC654

Darker −10%#E19C07

Darker −20%#AF7A06

Darker −30%#7E5804

Darker −40%#4D3502

More saturated +25%#FFB81C

Less saturated −25%#DCAA3F

Channel breakdown

R248

G181

B35

Red248 (97.3%)

Green181 (71%)

Blue35 (13.7%)

Hue41.13°

Saturation (HSL)93.83%

Lightness55.49%

Dominant channelRed

Hex per channelR F8 · G B5 · B 23

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Harmonies

Lighter and darker

Similar named colours

Also reads as

F8B523 (chemical formula)

Formula
5,805.614 g/mol
531 atoms

F8B523 has a molar mass of 5,805.614 g/mol, made up of 531 atoms across 2 elements: 8 × F, 523 × B.

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Molar mass

Molar mass5,805.614 g/mol

Total atoms per molecule531

Distinct elements2

Mass of one molecule9.6404489 × 10^-21 g

Molecules per gram1.0372961 × 10^20

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

F2.6%

B97.4%

Fluorine (F × 8)151.984 g/mol, 2.618%

Boron (B × 523)5,653.63 g/mol, 97.382%

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