Recognised as Colour

#E54900

#E54900
Orange
Dark
Nearest: Orange red

#E54900 is a orange with RGB values 229, 73, 0 and HSL 19°, 100%, 45%. It is a dark colour, so black text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Orange red.

Colour values

#E54900#E54900

HEX#E54900

RGBrgb(229, 73, 0)

RGB (0–1)0.898, 0.2863, 0

RGB percentages89.8%, 28.6%, 0%

HSLhsl(19.1, 100%, 44.9%)

HSV / HSBhsv(19.1, 100%, 89.8%)

CMYK0%, 68.1%, 100%, 10.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer15,026,432

CSS custom property--colour: #E54900;

Brightness & contrast

Relative luminance0.21423WCAG 2.x, 0 is black and 1 is white

Perceived brightness137.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.28:1

Contrast with white3.97:1WCAG normal text: Fail

Contrast with black5.28:1WCAG normal text: AA

Greyscale equivalent#656565

Inverted#1AB6FF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#786900no red cones; affects about 1% of men; ΔE 64.2 from the original

Deuteranopia#9F8C00no green cones; the most common form, about 1% of men; ΔE 63.4 from the original

Tritanopia#FD023Fno blue cones; rare, and affects men and women equally; ΔE 32.5 from the original

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

Contrast with white, large text3.97:1WCAG large text: AA

Contrast with black, large text5.28:1WCAG large text: AAA

Named colours

Orange red · ΔE 11.5 Tomato · ΔE 19.9 Red · ΔE 22.1 Chocolate · ΔE 22.6 Coral · ΔE 25.3 Dark orange · ΔE 28.9

Nearest named CSS colourOrange red (#FF4500)ΔE 11.47, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#009CE5

Analogous#E5002A, #E5BC00

Triadic#00E549, #4900E5

Split complementary#00E5BC, #0029E5

Tetradic#29E500, #009CE5, #BB00E5

Tints, shades & saturation

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

Lighter +40%#FFCBB2

Lighter +30%#FFA87F

Lighter +20%#FF854C

Lighter +10%#FF6219

Darker −10%#B23900

Darker −20%#7F2800

Darker −30%#4C1800

Darker −40%#190800

More saturated +25%#E54900

Less saturated −25%#C8531D

Channel breakdown

R229

G73

Red229 (89.8%)

Green73 (28.6%)

Blue0 (0%)

Hue19.13°

Saturation (HSL)100%

Lightness44.9%

Dominant channelRed

Hex per channelR E5 · G 49 · B 00

Keep nerding

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

#E54900

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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