Recognised as Colour

#FFB803

#FFB803
Orange
Light
Nearest: Orange

#FFB803 is a orange with RGB values 255, 184, 3 and HSL 43°, 100%, 51%. It is a light colour, so black text on it reaches 12.1:1 contrast (AAA for normal text). The nearest named colour is Orange.

Colour values

#FFB803#FFB803

HEX#FFB803

RGBrgb(255, 184, 3)

RGB (0–1)1, 0.7216, 0.0118

RGB percentages100%, 72.2%, 1.2%

HSLhsl(43.1, 100%, 50.6%)

HSV / HSBhsv(43.1, 98.8%, 100%)

CMYK0%, 27.8%, 98.8%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,758,787

CSS custom property--colour: #FFB803;

Brightness & contrast

Relative luminance0.55548WCAG 2.x, 0 is black and 1 is white

Perceived brightness198.3 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 12.11:1

Contrast with white1.73:1WCAG normal text: Fail

Contrast with black12.11:1WCAG normal text: AAA

Greyscale equivalent#BABABA

Inverted#0047FC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#D4BA00no red cones; affects about 1% of men; ΔE 20.5 from the original

Deuteranopia#E4CC19no green cones; the most common form, about 1% of men; ΔE 21.9 from the original

Tritanopia#FFA39Dno blue cones; rare, and affects men and women equally; ΔE 67.1 from the original

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

Contrast with white, large text1.73:1WCAG large text: Fail

Contrast with black, large text12.11:1WCAG large text: AAA

Named colours

Orange · ΔE 11.1 Goldenrod · ΔE 16.4 Gold · ΔE 18.5 Dark orange · ΔE 25.6 Dark goldenrod · ΔE 27.9 Sandy brown · ΔE 36.3

Nearest named CSS colourOrange (#FFA500)ΔE 11.15, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#034AFF

Analogous#FF3A03, #C8FF03

Triadic#03FFB8, #B803FF

Split complementary#03C8FF, #3A03FF

Tetradic#03FF3A, #034AFF, #FF03C8

Tints, shades & saturation

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

Lighter +40%#FFF1CF

Lighter +30%#FFE39C

Lighter +20%#FFD569

Lighter +10%#FFC636

Darker −10%#CF9500

Darker −20%#9C7000

Darker −30%#694B00

Darker −40%#362700

More saturated +25%#FFB803

Less saturated −25%#E0AA22

Channel breakdown

R255

G184

Red255 (100%)

Green184 (72.2%)

Blue3 (1.2%)

Hue43.1°

Saturation (HSL)100%

Lightness50.59%

Dominant channelRed

Hex per channelR FF · G B8 · B 03

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FFB803 (chemical formula)

Formula
8,718.426 g/mol
805 atoms

FFB803 has a molar mass of 8,718.426 g/mol, made up of 805 atoms across 2 elements: 2 × F, 803 × B.

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Molar mass

Molar mass8,718.426 g/mol

Total atoms per molecule805

Distinct elements2

Mass of one molecule1.4477287 × 10^-20 g

Molecules per gram6.9073715 × 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

F0.4%

B99.6%

Fluorine (F × 2)37.996 g/mol, 0.436%

Boron (B × 803)8,680.43 g/mol, 99.564%

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Elements in this formula

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