Recognised as Colour

#FFB623

#FFB623
Orange
Light
Nearest: Orange

#FFB623 is a orange with RGB values 255, 182, 35 and HSL 40°, 100%, 57%. It is a light colour, so black text on it reaches 12:1 contrast (AAA for normal text). The nearest named colour is Orange.

Colour values

#FFB623#FFB623

HEX#FFB623

RGBrgb(255, 182, 35)

RGB (0–1)1, 0.7137, 0.1373

RGB percentages100%, 71.4%, 13.7%

HSLhsl(40.1, 100%, 56.9%)

HSV / HSBhsv(40.1, 86.3%, 100%)

CMYK0%, 28.6%, 86.3%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,758,307

CSS custom property--colour: #FFB623;

Brightness & contrast

Relative luminance0.54837WCAG 2.x, 0 is black and 1 is white

Perceived brightness197.5 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 11.97:1

Contrast with white1.75:1WCAG normal text: Fail

Contrast with black11.97:1WCAG normal text: AAA

Greyscale equivalent#BBBBBB

Inverted#0049DC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#D2B900no red cones; affects about 1% of men; ΔE 21.8 from the original

Deuteranopia#E3CB2Bno green cones; the most common form, about 1% of men; ΔE 22.8 from the original

Tritanopia#FFA29Cno blue cones; rare, and affects men and women equally; ΔE 61.5 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.75:1WCAG large text: Fail

Contrast with black, large text11.97:1WCAG large text: AAA

Named colours

Orange · ΔE 9.7 Goldenrod · ΔE 13.1 Gold · ΔE 22 Dark orange · ΔE 23.3 Dark goldenrod · ΔE 24.6 Sandy brown · ΔE 30.8

Nearest named CSS colourOrange (#FFA500)ΔE 9.72, clearly different but related

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#236CFF

Analogous#FF4823, #DAFF23

Triadic#23FFB6, #B623FF

Split complementary#23DAFF, #4823FF

Tetradic#23FF48, #236CFF, #FF23DA

Tints, shades & saturation

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

Lighter +40%#FFFAEF

Lighter +30%#FFE9BC

Lighter +20%#FFD889

Lighter +10%#FFC756

Darker −10%#EFA000

Darker −20%#BC7E00

Darker −30%#895C00

Darker −40%#563900

More saturated +25%#FFB623

Less saturated −25%#E3AD3E

Channel breakdown

R255

G182

B35

Red255 (100%)

Green182 (71.4%)

Blue35 (13.7%)

Hue40.09°

Saturation (HSL)100%

Lightness56.86%

Dominant channelRed

Hex per channelR FF · G B6 · B 23

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FFB623 (chemical formula)

Formula
6,772.626 g/mol
625 atoms

FFB623 has a molar mass of 6,772.626 g/mol, made up of 625 atoms across 2 elements: 2 × F, 623 × B.

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Molar mass

Molar mass6,772.626 g/mol

Total atoms per molecule625

Distinct elements2

Mass of one molecule1.124621 × 10^-20 g

Molecules per gram8.8918844 × 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

F0.6%

B99.4%

Fluorine (F × 2)37.996 g/mol, 0.561%

Boron (B × 623)6,734.63 g/mol, 99.439%

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Elements in this formula

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