Colour

#DE3F00

#DE3F00
Orange
Dark
Nearest: Orange red

#DE3F00 is a orange with RGB values 222, 63, 0 and HSL 17°, 100%, 44%. It is a dark colour, so black text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Orange red.

Colour values

#DE3F00#DE3F00

HEX#DE3F00

RGBrgb(222, 63, 0)

RGB (0–1)0.8706, 0.2471, 0

RGB percentages87.1%, 24.7%, 0%

HSLhsl(17, 100%, 43.5%)

HSV / HSBhsv(17, 100%, 87.1%)

CMYK0%, 71.6%, 100%, 12.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer14,565,120

CSS custom property--colour: #DE3F00;

Brightness & contrast

Relative luminance0.19085WCAG 2.x, 0 is black and 1 is white

Perceived brightness130.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 4.82:1

Contrast with white4.36:1WCAG normal text: Fail

Contrast with black4.82:1WCAG normal text: AA

Greyscale equivalent#5C5C5C

Inverted#21C0FF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#706200no red cones; affects about 1% of men; ΔE 65.6 from the original

Deuteranopia#978600no green cones; the most common form, about 1% of men; ΔE 65.3 from the original

Tritanopia#F50037no blue cones; rare, and affects men and women equally; ΔE 27.2 from the original

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

Contrast with white, large text4.36:1WCAG large text: AA

Contrast with black, large text4.82:1WCAG large text: AAA

Named colours

Orange red · ΔE 12.5 Tomato · ΔE 19.7 Red · ΔE 21.2 Chocolate · ΔE 23.8 Coral · ΔE 26.4 Firebrick · ΔE 27.6

Nearest named CSS colourOrange red (#FF4500)ΔE 12.52, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#009FDE

Analogous#DE0030, #DEAE00

Triadic#00DE3F, #3F00DE

Split complementary#00DEAE, #0030DE

Tetradic#30DE00, #009FDE, #AE00DE

Tints, shades & saturation

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

Lighter +40%#FFC3AB

Lighter +30%#FF9E78

Lighter +20%#FF7A45

Lighter +10%#FF5512

Darker −10%#AB3100

Darker −20%#782200

Darker −30%#451400

Darker −40%#120500

More saturated +25%#DE3F00

Less saturated −25%#C24B1C

Channel breakdown

R222

G63

Red222 (87.1%)

Green63 (24.7%)

Blue0 (0%)

Hue17.03°

Saturation (HSL)100%

Lightness43.53%

Dominant channelRed

Hex per channelR DE · G 3F · B 00

Keep nerding

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

#DE3F00

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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