Colour

#FF8515

#FF8515
Orange
Dark
Nearest: Dark orange

#FF8515 is a orange with RGB values 255, 133, 21 and HSL 29°, 100%, 54%. It is a dark colour, so black text on it reaches 8.6:1 contrast (AAA for normal text). The nearest named colour is Dark orange.

Colour values

#FF8515#FF8515

HEX#FF8515

RGBrgb(255, 133, 21)

RGB (0–1)1, 0.5216, 0.0824

RGB percentages100%, 52.2%, 8.2%

HSLhsl(28.7, 100%, 54.1%)

HSV / HSBhsv(28.7, 91.8%, 100%)

CMYK0%, 47.8%, 91.8%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,745,749

CSS custom property--colour: #FF8515;

Brightness & contrast

Relative luminance0.38089WCAG 2.x, 0 is black and 1 is white

Perceived brightness172.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 8.62:1

Contrast with white2.44:1WCAG normal text: Fail

Contrast with black8.62:1WCAG normal text: AAA

Greyscale equivalent#979797

Inverted#007AEA

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#A99500no red cones; affects about 1% of men; ΔE 46.7 from the original

Deuteranopia#C6B111no green cones; the most common form, about 1% of men; ΔE 47.6 from the original

Tritanopia#FF6972no blue cones; rare, and affects men and women equally; ΔE 49.9 from the original

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

Contrast with white, large text2.44:1WCAG large text: Fail

Contrast with black, large text8.62:1WCAG large text: AAA

Named colours

Dark orange · ΔE 5.8 Chocolate · ΔE 19.3 Orange · ΔE 19.5 Coral · ΔE 24.3 Orange red · ΔE 29.3 Sandy brown · ΔE 30.7

Nearest named CSS colourDark orange (#FF8C00)ΔE 5.76, clearly different but related

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#158FFF

Analogous#FF151A, #FFFA15

Triadic#15FF85, #8515FF

Split complementary#15FFFA, #151AFF

Tetradic#1AFF15, #158FFF, #FA15FF

Tints, shades & saturation

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

Lighter +40%#FFEFE1

Lighter +30%#FFD5AE

Lighter +20%#FFBA7B

Lighter +10%#FFA048

Darker −10%#E16C00

Darker −20%#AE5300

Darker −30%#7B3B00

Darker −40%#482200

More saturated +25%#FF8515

Less saturated −25%#E28632

Channel breakdown

R255

G133

B21

Red255 (100%)

Green133 (52.2%)

Blue21 (8.2%)

Hue28.72°

Saturation (HSL)100%

Lightness54.12%

Dominant channelRed

Hex per channelR FF · G 85 · B 15

Keep nerding

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#FF8515

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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