Colour

#F25151

#F25151
Red
Dark
Nearest: Tomato

#F25151 is a red with RGB values 242, 81, 81 and HSL 0°, 86%, 63%. It is a dark colour, so black text on it reaches 6.1:1 contrast (AA for normal text). The nearest named colour is Tomato.

Colour values

#F25151#F25151

HEX#F25151

RGBrgb(242, 81, 81)

RGB (0–1)0.949, 0.3176, 0.3176

RGB percentages94.9%, 31.8%, 31.8%

HSLhsl(0, 86.1%, 63.3%)

HSV / HSBhsv(0, 66.5%, 94.9%)

CMYK0%, 66.5%, 66.5%, 5.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer15,880,529

CSS custom property--colour: #F25151;

Brightness & contrast

Relative luminance0.25356WCAG 2.x, 0 is black and 1 is white

Perceived brightness148.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.07:1

Contrast with white3.46:1WCAG normal text: Fail

Contrast with black6.07:1WCAG normal text: AA

Greyscale equivalent#737373

Inverted#0DAEAE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#7D744Fno red cones; affects about 1% of men; ΔE 65.8 from the original

Deuteranopia#A5974Cno green cones; the most common form, about 1% of men; ΔE 66.8 from the original

Tritanopia#FF2653no blue cones; rare, and affects men and women equally; ΔE 16.7 from the original

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

Contrast with white, large text3.46:1WCAG large text: AA

Contrast with black, large text6.07:1WCAG large text: AAA

Named colours

Tomato · ΔE 13 Crimson · ΔE 14.1 Firebrick · ΔE 19.3 Salmon · ΔE 19.8 Indian red · ΔE 21.3 Coral · ΔE 22.7

Nearest named CSS colourTomato (#FF6347)ΔE 13.04, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#51F2F2

Analogous#F251A2, #F2A251

Triadic#51F251, #5151F2

Split complementary#51F2A2, #51A2F2

Tetradic#A2F251, #51F2F2, #A251F2

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FDDFDF

Lighter +20%#F9B0B0

Lighter +10%#F68080

Darker −10%#EE2222

Darker −20%#CE0F0F

Darker −30%#9E0C0C

Darker −40%#6F0808

More saturated +25%#FF4444

Less saturated −25%#DB6868

Channel breakdown

R242

G81

B81

Red242 (94.9%)

Green81 (31.8%)

Blue81 (31.8%)

Hue0°

Saturation (HSL)86.1%

Lightness63.33%

Dominant channelRed

Hex per channelR F2 · G 51 · B 51

Keep nerding

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

#F25151

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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