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Colour

#FF6655

  • #FF6655
  • Red
  • Dark
  • Nearest: Tomato

#FF6655 is a red with RGB values 255, 102, 85 and HSL 6°, 100%, 67%. It is a dark colour, so black text on it reaches 7.3:1 contrast (AAA for normal text). The nearest named colour is Tomato.

Colour values

#FF6655#FF6655
HEX#FF6655
HEX (short)#F65
RGBrgb(255, 102, 85)
RGB (0–1)1, 0.4, 0.3333
RGB percentages100%, 40%, 33.3%
HSLhsl(6, 100%, 66.7%)
HSV / HSBhsv(6, 66.7%, 100%)
CMYK0%, 60%, 66.7%, 0%naive device-independent conversion; real print needs an ICC profile
24-bit integer16,737,877
CSS custom property--colour: #FF6655;

Brightness & contrast

Relative luminance0.31419WCAG 2.x, 0 is black and 1 is white
Perceived brightness162.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.28:1
Contrast with white2.88:1WCAG normal text: Fail
Contrast with black7.28:1WCAG normal text: AAA
Greyscale equivalent#858585
Inverted#0099AA

Colour vision & accessibility

Protanopia#8F8352no red cones; affects about 1% of men; ΔE 61.7 from the original
Deuteranopia#B5A551no green cones; the most common form, about 1% of men; ΔE 62.7 from the original
Tritanopia#FF4563no blue cones; rare, and affects men and women equally; ΔE 19.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.88:1WCAG large text: Fail
Contrast with black, large text7.28:1WCAG large text: AAA

Named colours

Nearest named CSS colourTomato (#FF6347)ΔE 6.79, clearly different but related
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#55EEFF
Analogous#FF5599, #FFBB55
Triadic#55FF66, #6655FF
Split complementary#55FFBB, #5599FF
Tetradic#99FF55, #55EEFF, #BB55FF

Tints, shades & saturation

Lighter +40%#FFFFFF
Lighter +30%#FFF0EE
Lighter +20%#FFC2BB
Lighter +10%#FF9488
Darker −10%#FF3822
Darker −20%#EE1800
Darker −30%#BB1300
Darker −40%#880E00
More saturated +25%#FF6655
Less saturated −25%#EA776A

Channel breakdown

R255
G102
B85
Red255 (100%)
Green102 (40%)
Blue85 (33.3%)
Hue
Saturation (HSL)100%
Lightness66.67%
Dominant channelRed
Hex per channelR FF · G 66 · B 55

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Every value on this page was computed from “ff6655” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.