Colour

#ED4700

#ED4700
Orange
Dark
Nearest: Orange red

#ED4700 is a orange with RGB values 237, 71, 0 and HSL 18°, 100%, 46%. It is a dark colour, so black text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Orange red.

Colour values

#ED4700#ED4700

HEX#ED4700

RGBrgb(237, 71, 0)

RGB (0–1)0.9294, 0.2784, 0

RGB percentages92.9%, 27.8%, 0%

HSLhsl(18, 100%, 46.5%)

HSV / HSBhsv(18, 100%, 92.9%)

CMYK0%, 70%, 100%, 7.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer15,550,208

CSS custom property--colour: #ED4700;

Brightness & contrast

Relative luminance0.22511WCAG 2.x, 0 is black and 1 is white

Perceived brightness140.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.5:1

Contrast with white3.82:1WCAG normal text: Fail

Contrast with black5.5:1WCAG normal text: AA

Greyscale equivalent#656565

Inverted#12B8FF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#7A6B00no red cones; affects about 1% of men; ΔE 67.8 from the original

Deuteranopia#A39000no green cones; the most common form, about 1% of men; ΔE 67.1 from the original

Tritanopia#FF003Eno blue cones; rare, and affects men and women equally; ΔE 30.9 from the original

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

Contrast with white, large text3.82:1WCAG large text: AA

Contrast with black, large text5.5:1WCAG large text: AAA

Named colours

Orange red · ΔE 7.7 Red · ΔE 18.7 Tomato · ΔE 21 Chocolate · ΔE 26.1 Coral · ΔE 27.5 Dark orange · ΔE 30.4

Nearest named CSS colourOrange red (#FF4500)ΔE 7.7, clearly different but related

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00A6ED

Analogous#ED002F, #EDBD00

Triadic#00ED47, #4700ED

Split complementary#00EDBE, #002FED

Tetradic#30ED00, #00A6ED, #BE00ED

Tints, shades & saturation

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

Lighter +40%#FFCFBA

Lighter +30%#FFAB87

Lighter +20%#FF8754

Lighter +10%#FF6421

Darker −10%#BA3800

Darker −20%#872800

Darker −30%#541900

Darker −40%#210A00

More saturated +25%#ED4700

Less saturated −25%#CF531E

Channel breakdown

R237

G71

Red237 (92.9%)

Green71 (27.8%)

Blue0 (0%)

Hue17.97°

Saturation (HSL)100%

Lightness46.47%

Dominant channelRed

Hex per channelR ED · G 47 · B 00

Keep nerding

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#ED4700

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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