Colour

#E1551E

#E1551E
Orange
Dark
Nearest: Tomato

#E1551E is a orange with RGB values 225, 85, 30 and HSL 17°, 76%, 50%. It is a dark colour, so black text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Tomato.

Colour values

#E1551E#E1551E

HEX#E1551E

RGBrgb(225, 85, 30)

RGB (0–1)0.8824, 0.3333, 0.1176

RGB percentages88.2%, 33.3%, 11.8%

HSLhsl(16.9, 76.5%, 50%)

HSV / HSBhsv(16.9, 86.7%, 88.2%)

CMYK0%, 62.2%, 86.7%, 11.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer14,767,390

CSS custom property--colour: #E1551E;

Brightness & contrast

Relative luminance0.22598WCAG 2.x, 0 is black and 1 is white

Perceived brightness139.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.52:1

Contrast with white3.8:1WCAG normal text: Fail

Contrast with black5.52:1WCAG normal text: AA

Greyscale equivalent#6F6F6F

Inverted#1EAAE1

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#7E6F13no red cones; affects about 1% of men; ΔE 57.4 from the original

Deuteranopia#A08F15no green cones; the most common form, about 1% of men; ΔE 58.3 from the original

Tritanopia#F82E4Bno blue cones; rare, and affects men and women equally; ΔE 30.7 from the original

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

Contrast with white, large text3.8:1WCAG large text: AA

Contrast with black, large text5.52:1WCAG large text: AAA

Named colours

Tomato · ΔE 13.9 Chocolate · ΔE 15.2 Coral · ΔE 17 Orange red · ΔE 20.1 Firebrick · ΔE 24.8 Dark orange · ΔE 28.5

Nearest named CSS colourTomato (#FF6347)ΔE 13.89, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1EAAE1

Analogous#E11E49, #E1B61E

Triadic#1EE155, #551EE1

Split complementary#1EE1B6, #1E49E1

Tetradic#49E11E, #1EAAE1, #B61EE1

Tints, shades & saturation

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

Lighter +40%#F9DDD2

Lighter +30%#F3BBA5

Lighter +20%#ED9978

Lighter +10%#E7774B

Darker −10%#B44418

Darker −20%#873312

Darker −30%#5A220C

Darker −40%#2D1106

More saturated +25%#FF4800

Less saturated −25%#C1633E

Channel breakdown

R225

G85

B30

Red225 (88.2%)

Green85 (33.3%)

Blue30 (11.8%)

Hue16.92°

Saturation (HSL)76.47%

Lightness50%

Dominant channelRed

Hex per channelR E1 · G 55 · B 1E

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#E1551E

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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