Colour

#FF4204

#FF4204
Red
Dark
Nearest: Orange red

#FF4204 is a red with RGB values 255, 66, 4 and HSL 15°, 100%, 51%. It is a dark colour, so black text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Orange red.

Colour values

#FF4204#FF4204

HEX#FF4204

RGBrgb(255, 66, 4)

RGB (0–1)1, 0.2588, 0.0157

RGB percentages100%, 25.9%, 1.6%

HSLhsl(14.8, 100%, 50.8%)

HSV / HSBhsv(14.8, 98.4%, 100%)

CMYK0%, 74.1%, 98.4%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,728,580

CSS custom property--colour: #FF4204;

Brightness & contrast

Relative luminance0.25165WCAG 2.x, 0 is black and 1 is white

Perceived brightness148.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.03:1

Contrast with white3.48:1WCAG normal text: Fail

Contrast with black6.03:1WCAG normal text: AA

Greyscale equivalent#666666

Inverted#00BDFB

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#7E6F00no red cones; affects about 1% of men; ΔE 75.5 from the original

Deuteranopia#AC9900no green cones; the most common form, about 1% of men; ΔE 75.1 from the original

Tritanopia#FF003Ano blue cones; rare, and affects men and women equally; ΔE 27.1 from the original

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

Contrast with white, large text3.48:1WCAG large text: AA

Contrast with black, large text6.03:1WCAG large text: AAA

Named colours

Orange red · ΔE 1.4 Red · ΔE 12 Tomato · ΔE 24.7 Coral · ΔE 32.7 Chocolate · ΔE 33.7 Dark orange · ΔE 35

Nearest named CSS colourOrange red (#FF4500)ΔE 1.44, below the just-noticeable difference

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#04C1FF

Analogous#FF0444, #FFC004

Triadic#04FF42, #4204FF

Split complementary#04FFC0, #0443FF

Tetradic#43FF04, #04C1FF, #BF04FF

Tints, shades & saturation

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

Lighter +40%#FFDCD0

Lighter +30%#FFB59D

Lighter +20%#FF8F6A

Lighter +10%#FF6837

Darker −10%#D03300

Darker −20%#9D2700

Darker −30%#6A1A00

Darker −40%#370E00

More saturated +25%#FF4204

Less saturated −25%#E05223

Channel breakdown

R255

G66

Red255 (100%)

Green66 (25.9%)

Blue4 (1.6%)

Hue14.82°

Saturation (HSL)100%

Lightness50.78%

Dominant channelRed

Hex per channelR FF · G 42 · B 04

Keep nerding

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#FF4204

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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