Recognised as Colour

#FF490A

#FF490A
Orange
Dark
Nearest: Orange red

#FF490A is a orange with RGB values 255, 73, 10 and HSL 15°, 100%, 52%. It is a dark colour, so black text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Orange red.

Colour values

#FF490A#FF490A

HEX#FF490A

RGBrgb(255, 73, 10)

RGB (0–1)1, 0.2863, 0.0392

RGB percentages100%, 28.6%, 3.9%

HSLhsl(15.4, 100%, 52%)

HSV / HSBhsv(15.4, 96.1%, 100%)

CMYK0%, 71.4%, 96.1%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,730,378

CSS custom property--colour: #FF490A;

Brightness & contrast

Relative luminance0.26047WCAG 2.x, 0 is black and 1 is white

Perceived brightness150.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.21:1

Contrast with white3.38:1WCAG normal text: Fail

Contrast with black6.21:1WCAG normal text: AA

Greyscale equivalent#6B6B6B

Inverted#00B6F5

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#827200no red cones; affects about 1% of men; ΔE 72.7 from the original

Deuteranopia#AE9A00no green cones; the most common form, about 1% of men; ΔE 72.4 from the original

Tritanopia#FF0040no blue cones; rare, and affects men and women equally; ΔE 30.6 from the original

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

Contrast with white, large text3.38:1WCAG large text: AA

Contrast with black, large text6.21:1WCAG large text: AAA

Named colours

Orange red · ΔE 2.2 Red · ΔE 14.4 Tomato · ΔE 22.9 Coral · ΔE 30.4 Chocolate · ΔE 31.3 Dark orange · ΔE 32.9

Nearest named CSS colourOrange red (#FF4500)ΔE 2.21, below the just-noticeable difference

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0AC0FF

Analogous#FF0A46, #FFC40A

Triadic#0AFF49, #490AFF

Split complementary#0AFFC4, #0A45FF

Tetradic#45FF0A, #0AC0FF, #C30AFF

Tints, shades & saturation

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

Lighter +40%#FFE1D6

Lighter +30%#FFBBA3

Lighter +20%#FF9570

Lighter +10%#FF6F3D

Darker −10%#D63700

Darker −20%#A32A00

Darker −30%#701D00

Darker −40%#3D1000

More saturated +25%#FF490A

Less saturated −25%#E05829

Channel breakdown

R255

G73

B10

Red255 (100%)

Green73 (28.6%)

Blue10 (3.9%)

Hue15.43°

Saturation (HSL)100%

Lightness51.96%

Dominant channelRed

Hex per channelR FF · G 49 · B 0A

Keep nerding

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

#FF490A

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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