Recognised as Colour

#FFA310

#FFA310
Orange
Dark
Nearest: Orange

#FFA310 is a orange with RGB values 255, 163, 16 and HSL 37°, 100%, 53%. It is a dark colour, so black text on it reaches 10.5:1 contrast (AAA for normal text). The nearest named colour is Orange.

Colour values

#FFA310#FFA310

HEX#FFA310

RGBrgb(255, 163, 16)

RGB (0–1)1, 0.6392, 0.0627

RGB percentages100%, 63.9%, 6.3%

HSLhsl(36.9, 100%, 53.1%)

HSV / HSBhsv(36.9, 93.7%, 100%)

CMYK0%, 36.1%, 93.7%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,753,424

CSS custom property--colour: #FFA310;

Brightness & contrast

Relative luminance0.47492WCAG 2.x, 0 is black and 1 is white

Perceived brightness187.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 10.5:1

Contrast with white2:1WCAG normal text: Fail

Contrast with black10.5:1WCAG normal text: AAA

Greyscale equivalent#ACACAC

Inverted#005CEF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#C2AA00no red cones; affects about 1% of men; ΔE 31.1 from the original

Deuteranopia#D7C018no green cones; the most common form, about 1% of men; ΔE 32.4 from the original

Tritanopia#FF8C8Bno blue cones; rare, and affects men and women equally; ΔE 59.6 from the original

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

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

Contrast with black, large text10.5:1WCAG large text: AAA

Named colours

Orange · ΔE 2.5 Dark orange · ΔE 12.8 Goldenrod · ΔE 18.8 Dark goldenrod · ΔE 25.7 Chocolate · ΔE 29.8 Sandy brown · ΔE 30

Nearest named CSS colourOrange (#FFA500)ΔE 2.55, a close match

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#106CFF

Analogous#FF2C10, #E4FF10

Triadic#10FFA3, #A310FF

Split complementary#10E4FF, #2B10FF

Tetradic#10FF2B, #106CFF, #FF10E4

Tints, shades & saturation

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

Lighter +40%#FFF2DC

Lighter +30%#FFDEA9

Lighter +20%#FFCA76

Lighter +10%#FFB743

Darker −10%#DC8700

Darker −20%#A96800

Darker −30%#764900

Darker −40%#432900

More saturated +25%#FFA310

Less saturated −25%#E19C2E

Channel breakdown

R255

G163

B16

Red255 (100%)

Green163 (63.9%)

Blue16 (6.3%)

Hue36.9°

Saturation (HSL)100%

Lightness53.14%

Dominant channelRed

Hex per channelR FF · G A3 · B 10

Keep nerding

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

#FFA310

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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