Recognised as Colour

#E45500

#E45500
Orange
Dark
Nearest: Orange red

#E45500 is a orange with RGB values 228, 85, 0 and HSL 22°, 100%, 45%. It is a dark colour, so black text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Orange red.

Colour values

#E45500#E45500

HEX#E45500

RGBrgb(228, 85, 0)

RGB (0–1)0.8941, 0.3333, 0

RGB percentages89.4%, 33.3%, 0%

HSLhsl(22.4, 100%, 44.7%)

HSV / HSBhsv(22.4, 100%, 89.4%)

CMYK0%, 62.7%, 100%, 10.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer14,963,968

CSS custom property--colour: #E45500;

Brightness & contrast

Relative luminance0.22991WCAG 2.x, 0 is black and 1 is white

Perceived brightness140.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.6:1

Contrast with white3.75:1WCAG normal text: Fail

Contrast with black5.6:1WCAG normal text: AA

Greyscale equivalent#6D6D6D

Inverted#1BAAFF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#7F6F00no red cones; affects about 1% of men; ΔE 58.7 from the original

Deuteranopia#A29000no green cones; the most common form, about 1% of men; ΔE 58.9 from the original

Tritanopia#FB2B49no blue cones; rare, and affects men and women equally; ΔE 36.2 from the original

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

Contrast with white, large text3.75:1WCAG large text: AA

Contrast with black, large text5.6:1WCAG large text: AAA

Named colours

Orange red · ΔE 15.6 Chocolate · ΔE 17.9 Tomato · ΔE 20.6 Coral · ΔE 22.7 Dark orange · ΔE 24 Red · ΔE 27.3

Nearest named CSS colourOrange red (#FF4500)ΔE 15.59, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#008FE4

Analogous#E4001D, #E4C700

Triadic#00E455, #5500E4

Split complementary#00E4C7, #001DE4

Tetradic#1DE400, #008FE4, #C700E4

Tints, shades & saturation

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

Lighter +40%#FFCEB1

Lighter +30%#FFAE7E

Lighter +20%#FF8E4B

Lighter +10%#FF6E18

Darker −10%#B14200

Darker −20%#7E2F00

Darker −30%#4B1C00

Darker −40%#180900

More saturated +25%#E45500

Less saturated −25%#C85C1C

Channel breakdown

R228

G85

Red228 (89.4%)

Green85 (33.3%)

Blue0 (0%)

Hue22.37°

Saturation (HSL)100%

Lightness44.71%

Dominant channelRed

Hex per channelR E4 · G 55 · B 00

Keep nerding

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

#E45500

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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