Colour

#FF8A25

#FF8A25
Orange
Dark
Nearest: Dark orange

#FF8A25 is a orange with RGB values 255, 138, 37 and HSL 28°, 100%, 57%. It is a dark colour, so black text on it reaches 8.9:1 contrast (AAA for normal text). The nearest named colour is Dark orange.

Colour values

#FF8A25#FF8A25

HEX#FF8A25

RGBrgb(255, 138, 37)

RGB (0–1)1, 0.5412, 0.1451

RGB percentages100%, 54.1%, 14.5%

HSLhsl(27.8, 100%, 57.3%)

HSV / HSBhsv(27.8, 85.5%, 100%)

CMYK0%, 45.9%, 85.5%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,747,045

CSS custom property--colour: #FF8A25;

Brightness & contrast

Relative luminance0.39571WCAG 2.x, 0 is black and 1 is white

Perceived brightness175.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 8.91:1

Contrast with white2.36:1WCAG normal text: Fail

Contrast with black8.91:1WCAG normal text: AAA

Greyscale equivalent#9C9C9C

Inverted#0075DA

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#AD980Bno red cones; affects about 1% of men; ΔE 43.8 from the original

Deuteranopia#C9B323no green cones; the most common form, about 1% of men; ΔE 44.7 from the original

Tritanopia#FF7077no blue cones; rare, and affects men and women equally; ΔE 47.4 from the original

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

Contrast with white, large text2.36:1WCAG large text: Fail

Contrast with black, large text8.91:1WCAG large text: AAA

Named colours

Dark orange · ΔE 7.8 Chocolate · ΔE 17.2 Orange · ΔE 19.1 Coral · ΔE 21.6 Sandy brown · ΔE 26.4 Peru · ΔE 27.1

Nearest named CSS colourDark orange (#FF8C00)ΔE 7.84, clearly different but related

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#259AFF

Analogous#FF252D, #FFF725

Triadic#25FF8A, #8A25FF

Split complementary#25FFF7, #252DFF

Tetradic#2DFF25, #259AFF, #F725FF

Tints, shades & saturation

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

Lighter +40%#FFF7F1

Lighter +30%#FFDCBE

Lighter +20%#FFC18B

Lighter +10%#FFA558

Darker −10%#F17000

Darker −20%#BE5800

Darker −30%#8B4000

Darker −40%#582900

More saturated +25%#FF8A25

Less saturated −25%#E48C40

Channel breakdown

R255

G138

B37

Red255 (100%)

Green138 (54.1%)

Blue37 (14.5%)

Hue27.8°

Saturation (HSL)100%

Lightness57.25%

Dominant channelRed

Hex per channelR FF · G 8A · B 25

Keep nerding

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#FF8A25

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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