Recognised as Colour

#FF6B34

#FF6B34
Orange
Dark
Nearest: Tomato

#FF6B34 is a orange with RGB values 255, 107, 52 and HSL 16°, 100%, 60%. It is a dark colour, so black text on it reaches 7.4:1 contrast (AAA for normal text). The nearest named colour is Tomato.

Colour values

#FF6B34#FF6B34

HEX#FF6B34

RGBrgb(255, 107, 52)

RGB (0–1)1, 0.4196, 0.2039

RGB percentages100%, 42%, 20.4%

HSLhsl(16.3, 100%, 60.2%)

HSV / HSBhsv(16.3, 79.6%, 100%)

CMYK0%, 58%, 79.6%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,739,124

CSS custom property--colour: #FF6B34;

Brightness & contrast

Relative luminance0.32023WCAG 2.x, 0 is black and 1 is white

Perceived brightness162.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 7.4:1

Contrast with white2.84:1WCAG normal text: Fail

Contrast with black7.4:1WCAG normal text: AAA

Greyscale equivalent#868686

Inverted#0094CB

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#95852Cno red cones; affects about 1% of men; ΔE 59.3 from the original

Deuteranopia#B9A62Eno green cones; the most common form, about 1% of men; ΔE 60 from the original

Tritanopia#FF4760no blue cones; rare, and affects men and women equally; ΔE 33.3 from the original

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

Contrast with white, large text2.84:1WCAG large text: Fail

Contrast with black, large text7.4:1WCAG large text: AAA

Named colours

Tomato · ΔE 11.4 Coral · ΔE 13.1 Chocolate · ΔE 18.1 Orange red · ΔE 19.5 Dark orange · ΔE 25.8 Salmon · ΔE 29.3

Nearest named CSS colourTomato (#FF6347)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#34C8FF

Analogous#FF3463, #FFD034

Triadic#34FF6B, #6B34FF

Split complementary#34FFD0, #3463FF

Tetradic#63FF34, #34C8FF, #D034FF

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFDBCD

Lighter +20%#FFB59A

Lighter +10%#FF9067

Darker −10%#FF4601

Darker −20%#CD3800

Darker −30%#9A2A00

Darker −40%#671C00

More saturated +25%#FF6B34

Less saturated −25%#E6774D

Channel breakdown

R255

G107

B52

Red255 (100%)

Green107 (42%)

Blue52 (20.4%)

Hue16.26°

Saturation (HSL)100%

Lightness60.2%

Dominant channelRed

Hex per channelR FF · G 6B · B 34

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FF6B34 (chemical formula)

Formula
500.526 g/mol
41 atoms

FF6B34 has a molar mass of 500.526 g/mol, made up of 41 atoms across 2 elements: 7 × F, 34 × B.

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Molar mass

Molar mass500.526 g/mol

Total atoms per molecule41

Distinct elements2

Mass of one molecule8.3114298 × 10^-22 g

Molecules per gram1.2031624 × 10^21

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

F26.6%

B73.4%

Fluorine (F × 7)132.986 g/mol, 26.569%

Boron (B × 34)367.54 g/mol, 73.431%

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