Recognised as Colour

#FF6136

#FF6136
Red
Dark
Nearest: Tomato

#FF6136 is a red with RGB values 255, 97, 54 and HSL 13°, 100%, 61%. It is a dark colour, so black text on it reaches 7:1 contrast (AAA for normal text). The nearest named colour is Tomato.

Colour values

#FF6136#FF6136

HEX#FF6136

RGBrgb(255, 97, 54)

RGB (0–1)1, 0.3804, 0.2118

RGB percentages100%, 38%, 21.2%

HSLhsl(12.8, 100%, 60.6%)

HSV / HSBhsv(12.8, 78.8%, 100%)

CMYK0%, 62%, 78.8%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,736,566

CSS custom property--colour: #FF6136;

Brightness & contrast

Relative luminance0.30076WCAG 2.x, 0 is black and 1 is white

Perceived brightness159.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 7.02:1

Contrast with white2.99:1WCAG normal text: Fail

Contrast with black7.02:1WCAG normal text: AAA

Greyscale equivalent#7F7F7F

Inverted#009EC9

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#8E7F30no red cones; affects about 1% of men; ΔE 63.7 from the original

Deuteranopia#B5A230no green cones; the most common form, about 1% of men; ΔE 64 from the original

Tritanopia#FF3758no blue cones; rare, and affects men and women equally; ΔE 29.2 from the original

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

Contrast with white, large text2.99:1WCAG large text: Fail

Contrast with black, large text7.02:1WCAG large text: AAA

Named colours

Tomato · ΔE 8 Coral · ΔE 15.5 Orange red · ΔE 18 Chocolate · ΔE 21.9 Red · ΔE 26.8 Firebrick · ΔE 28.2

Nearest named CSS colourTomato (#FF6347)ΔE 8.01, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#36D4FF

Analogous#FF3670, #FFC536

Triadic#36FF61, #6136FF

Split complementary#36FFC5, #3670FF

Tetradic#70FF36, #36D4FF, #C536FF

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFD9CF

Lighter +20%#FFB19C

Lighter +10%#FF8969

Darker −10%#FF3903

Darker −20%#CF2C00

Darker −30%#9C2100

Darker −40%#691600

More saturated +25%#FF6136

Less saturated −25%#E66F4F

Channel breakdown

R255

G97

B54

Red255 (100%)

Green97 (38%)

Blue54 (21.2%)

Hue12.84°

Saturation (HSL)100%

Lightness60.59%

Dominant channelRed

Hex per channelR FF · G 61 · B 36

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FF6136 (chemical formula)

Formula
116,590.726 g/mol
6137 atoms

FF6136 has a molar mass of 116,590.726 g/mol, made up of 6137 atoms across 1 element: 6137 × F.

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Molar mass

Molar mass116,590.726 g/mol

Total atoms per molecule6137

Distinct elements1

Mass of one molecule1.9360346 × 10^-19 g

Molecules per gram5.1651971 × 10^18

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

F100%

Fluorine (F × 6137)116,590.726 g/mol, 100%

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Elements in this formula

Fluorine

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