Recognised as Colour

#FF4A17

#FF4A17
Red
Dark
Nearest: Orange red

#FF4A17 is a red with RGB values 255, 74, 23 and HSL 13°, 100%, 55%. 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

#FF4A17#FF4A17

HEX#FF4A17

RGBrgb(255, 74, 23)

RGB (0–1)1, 0.2902, 0.0902

RGB percentages100%, 29%, 9%

HSLhsl(13.2, 100%, 54.5%)

HSV / HSBhsv(13.2, 91%, 100%)

CMYK0%, 71%, 91%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,730,647

CSS custom property--colour: #FF4A17;

Brightness & contrast

Relative luminance0.26219WCAG 2.x, 0 is black and 1 is white

Perceived brightness150.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.24:1

Contrast with white3.36:1WCAG normal text: Fail

Contrast with black6.24:1WCAG normal text: AA

Greyscale equivalent#6D6D6D

Inverted#00B5E8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#827206no red cones; affects about 1% of men; ΔE 72.1 from the original

Deuteranopia#AE9B00no green cones; the most common form, about 1% of men; ΔE 72.8 from the original

Tritanopia#FF0042no blue cones; rare, and affects men and women equally; ΔE 29 from the original

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

Contrast with white, large text3.36:1WCAG large text: AA

Contrast with black, large text6.24:1WCAG large text: AAA

Named colours

Orange red · ΔE 5.2 Red · ΔE 15 Tomato · ΔE 19.9 Coral · ΔE 28.2 Chocolate · ΔE 30.2 Crimson · ΔE 32.8

Nearest named CSS colourOrange red (#FF4500)ΔE 5.18, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#17CCFF

Analogous#FF1758, #FFBE17

Triadic#17FF4A, #4A17FF

Split complementary#17FFBE, #1758FF

Tetradic#58FF17, #17CCFF, #BE17FF

Tints, shades & saturation

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

Lighter +40%#FFE9E3

Lighter +30%#FFC1B0

Lighter +20%#FF9A7D

Lighter +10%#FF724A

Darker −10%#E33200

Darker −20%#B02700

Darker −30%#7D1B00

Darker −40%#4A1000

More saturated +25%#FF4A17

Less saturated −25%#E25A34

Channel breakdown

R255

G74

B23

Red255 (100%)

Green74 (29%)

Blue23 (9%)

Hue13.19°

Saturation (HSL)100%

Lightness54.51%

Dominant channelRed

Hex per channelR FF · G 4A · B 17

Keep nerding

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

#FF4A17

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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