Colour

#FF5125

#FF5125
Red
Dark
Nearest: Orange red

#FF5125 is a red with RGB values 255, 81, 37 and HSL 12°, 100%, 57%. It is a dark colour, so black text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Orange red.

Colour values

#FF5125#FF5125

HEX#FF5125

RGBrgb(255, 81, 37)

RGB (0–1)1, 0.3176, 0.1451

RGB percentages100%, 31.8%, 14.5%

HSLhsl(12.1, 100%, 57.3%)

HSV / HSBhsv(12.1, 85.5%, 100%)

CMYK0%, 68.2%, 85.5%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,732,453

CSS custom property--colour: #FF5125;

Brightness & contrast

Relative luminance0.27278WCAG 2.x, 0 is black and 1 is white

Perceived brightness153.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.46:1

Contrast with white3.25:1WCAG normal text: Fail

Contrast with black6.46:1WCAG normal text: AA

Greyscale equivalent#737373

Inverted#00AEDA

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#85761Cno red cones; affects about 1% of men; ΔE 70 from the original

Deuteranopia#B09D19no green cones; the most common form, about 1% of men; ΔE 70.3 from the original

Tritanopia#FF0349no blue cones; rare, and affects men and women equally; ΔE 30.1 from the original

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

Contrast with white, large text3.25:1WCAG large text: AA

Contrast with black, large text6.46:1WCAG large text: AAA

Named colours

Orange red · ΔE 10.1 Tomato · ΔE 14.9 Red · ΔE 18.7 Coral · ΔE 23.7 Chocolate · ΔE 27.3 Crimson · ΔE 29.6

Nearest named CSS colourOrange red (#FF4500)ΔE 10.13, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#25D3FF

Analogous#FF2566, #FFBE25

Triadic#25FF51, #5125FF

Split complementary#25FFBE, #2566FF

Tetradic#66FF25, #25D3FF, #BE25FF

Tints, shades & saturation

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

Lighter +40%#FFF4F1

Lighter +30%#FFCBBE

Lighter +20%#FFA28B

Lighter +10%#FF7A58

Darker −10%#F13100

Darker −20%#BE2600

Darker −30%#8B1C00

Darker −40%#581200

More saturated +25%#FF5125

Less saturated −25%#E46140

Channel breakdown

R255

G81

B37

Red255 (100%)

Green81 (31.8%)

Blue37 (14.5%)

Hue12.11°

Saturation (HSL)100%

Lightness57.25%

Dominant channelRed

Hex per channelR FF · G 51 · B 25

Keep nerding

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#FF5125

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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