Recognised as Colour

#FF641D

#FF641D
Orange
Dark
Nearest: Orange red

#FF641D is a orange with RGB values 255, 100, 29 and HSL 19°, 100%, 56%. It is a dark colour, so black text on it reaches 7.1:1 contrast (AAA for normal text). The nearest named colour is Orange red.

Colour values

#FF641D#FF641D

HEX#FF641D

RGBrgb(255, 100, 29)

RGB (0–1)1, 0.3922, 0.1137

RGB percentages100%, 39.2%, 11.4%

HSLhsl(18.8, 100%, 55.7%)

HSV / HSBhsv(18.8, 88.6%, 100%)

CMYK0%, 60.8%, 88.6%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,737,309

CSS custom property--colour: #FF641D;

Brightness & contrast

Relative luminance0.30463WCAG 2.x, 0 is black and 1 is white

Perceived brightness159.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 7.09:1

Contrast with white2.96:1WCAG normal text: Fail

Contrast with black7.09:1WCAG normal text: AAA

Greyscale equivalent#808080

Inverted#009BE2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#91800Ano red cones; affects about 1% of men; ΔE 62.1 from the original

Deuteranopia#B7A311no green cones; the most common form, about 1% of men; ΔE 62.6 from the original

Tritanopia#FF3A58no blue cones; rare, and affects men and women equally; ΔE 38.4 from the original

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

Contrast with white, large text2.96:1WCAG large text: Fail

Contrast with black, large text7.09:1WCAG large text: AAA

Named colours

Orange red · ΔE 13.1 Tomato · ΔE 18.5 Coral · ΔE 21.1 Chocolate · ΔE 21.6 Dark orange · ΔE 23.3 Red · ΔE 25.6

Nearest named CSS colourOrange red (#FF4500)ΔE 13.11, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1DB8FF

Analogous#FF1D47, #FFD51D

Triadic#1DFF64, #641DFF

Split complementary#1DFFD5, #1D47FF

Tetradic#47FF1D, #1DB8FF, #D51DFF

Tints, shades & saturation

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

Lighter +40%#FFF0E9

Lighter +30%#FFCDB6

Lighter +20%#FFAA83

Lighter +10%#FF8750

Darker −10%#E94900

Darker −20%#B63900

Darker −30%#832900

Darker −40%#501900

More saturated +25%#FF641D

Less saturated −25%#E36F39

Channel breakdown

R255

G100

B29

Red255 (100%)

Green100 (39.2%)

Blue29 (11.4%)

Hue18.85°

Saturation (HSL)100%

Lightness55.69%

Dominant channelRed

Hex per channelR FF · G 64 · B 1D

Keep nerding

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

#FF641D

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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