Colour

#AC2D00

#AC2D00
Orange
Dark
Nearest: Dark red

#AC2D00 is a orange with RGB values 172, 45, 0 and HSL 16°, 100%, 34%. It is a dark colour, so white text on it reaches 6.7:1 contrast (AA for normal text). The nearest named colour is Dark red.

Colour values

#AC2D00#AC2D00

HEX#AC2D00

RGBrgb(172, 45, 0)

RGB (0–1)0.6745, 0.1765, 0

RGB percentages67.5%, 17.6%, 0%

HSLhsl(15.7, 100%, 33.7%)

HSV / HSBhsv(15.7, 100%, 67.5%)

CMYK0%, 73.8%, 100%, 32.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,283,712

CSS custom property--colour: #AC2D00;

Brightness & contrast

Relative luminance0.10647WCAG 2.x, 0 is black and 1 is white

Perceived brightness100.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.71:1

Contrast with white6.71:1WCAG normal text: AA

Contrast with black3.13:1WCAG normal text: Fail

Greyscale equivalent#454545

Inverted#53D2FF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#554A00no red cones; affects about 1% of men; ΔE 54.8 from the original

Deuteranopia#746600no green cones; the most common form, about 1% of men; ΔE 54.2 from the original

Tritanopia#BE0027no blue cones; rare, and affects men and women equally; ΔE 21.4 from the original

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

Contrast with white, large text6.71:1WCAG large text: AAA

Contrast with black, large text3.13:1WCAG large text: AA

Named colours

Dark red · ΔE 14.9 Firebrick · ΔE 15 Maroon · ΔE 19.1 Brown · ΔE 20.9 Chocolate · ΔE 22 Tomato · ΔE 25.1

Nearest named CSS colourDark red (#8B0000)ΔE 14.93, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#007FAC

Analogous#AC0029, #AC8300

Triadic#00AC2D, #2D00AC

Split complementary#00AC83, #0029AC

Tetradic#29AC00, #007FAC, #8300AC

Tints, shades & saturation

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

Lighter +40%#FF9C79

Lighter +30%#FF7646

Lighter +20%#FF5113

Lighter +10%#DF3A00

Darker −10%#792000

Darker −20%#461200

Darker −30%#130500

Darker −40%#000000

More saturated +25%#AC2D00

Less saturated −25%#973716

Channel breakdown

R172

G45

Red172 (67.5%)

Green45 (17.6%)

Blue0 (0%)

Hue15.7°

Saturation (HSL)100%

Lightness33.73%

Dominant channelRed

Hex per channelR AC · G 2D · B 00

Keep nerding

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#AC2D00

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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