Colour

#ED5704

#ED5704
Orange
Dark
Nearest: Orange red

#ED5704 is a orange with RGB values 237, 87, 4 and HSL 21°, 97%, 47%. It is a dark colour, so black text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Orange red.

Colour values

#ED5704#ED5704

HEX#ED5704

RGBrgb(237, 87, 4)

RGB (0–1)0.9294, 0.3412, 0.0157

RGB percentages92.9%, 34.1%, 1.6%

HSLhsl(21.4, 96.7%, 47.3%)

HSV / HSBhsv(21.4, 98.3%, 92.9%)

CMYK0%, 63.3%, 98.3%, 7.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer15,554,308

CSS custom property--colour: #ED5704;

Brightness & contrast

Relative luminance0.2483WCAG 2.x, 0 is black and 1 is white

Perceived brightness145.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.97:1

Contrast with white3.52:1WCAG normal text: Fail

Contrast with black5.97:1WCAG normal text: AA

Greyscale equivalent#717171

Inverted#12A8FB

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#847300no red cones; affects about 1% of men; ΔE 60.8 from the original

Deuteranopia#A89500no green cones; the most common form, about 1% of men; ΔE 61.2 from the original

Tritanopia#FF294Bno blue cones; rare, and affects men and women equally; ΔE 36.7 from the original

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

Contrast with white, large text3.52:1WCAG large text: AA

Contrast with black, large text5.97:1WCAG large text: AAA

Named colours

Orange red · ΔE 12.9 Chocolate · ΔE 20.4 Tomato · ΔE 20.5 Coral · ΔE 23.4 Dark orange · ΔE 24.2 Red · ΔE 25.2

Nearest named CSS colourOrange red (#FF4500)ΔE 12.92, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#049AED

Analogous#ED0426, #EDCB04

Triadic#04ED57, #5704ED

Split complementary#04EDCC, #0425ED

Tetradic#26ED04, #049AED, #CC04ED

Tints, shades & saturation

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

Lighter +40%#FED5BF

Lighter +30%#FDB58D

Lighter +20%#FC945B

Lighter +10%#FB7429

Darker −10%#BB4503

Darker −20%#893202

Darker −30%#572001

Darker −40%#240D01

More saturated +25%#F15600

Less saturated −25%#CF6022

Channel breakdown

R237

G87

Red237 (92.9%)

Green87 (34.1%)

Blue4 (1.6%)

Hue21.37°

Saturation (HSL)96.68%

Lightness47.25%

Dominant channelRed

Hex per channelR ED · G 57 · B 04

Keep nerding

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#ED5704

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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