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Recognised as Colour

#FD5E33

  • #FD5E33
  • Red
  • Dark
  • Nearest: Tomato

#FD5E33 is a red with RGB values 253, 94, 51 and HSL 13°, 98%, 60%. It is a dark colour, so black text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Tomato.

Colour values

#FD5E33#FD5E33
HEX#FD5E33
RGBrgb(253, 94, 51)
RGB (0–1)0.9922, 0.3686, 0.2
RGB percentages99.2%, 36.9%, 20%
HSLhsl(12.8, 98.1%, 59.6%)
HSV / HSBhsv(12.8, 79.8%, 99.2%)
CMYK0%, 62.8%, 79.8%, 0.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,604,723
CSS custom property--colour: #FD5E33;

Brightness & contrast

Relative luminance0.29127WCAG 2.x, 0 is black and 1 is white
Perceived brightness156.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.83:1
Contrast with white3.08:1WCAG normal text: Fail
Contrast with black6.83:1WCAG normal text: AA
Greyscale equivalent#7D7D7D
Inverted#02A1CC

Colour vision & accessibility

Protanopia#8C7D2Cno red cones; affects about 1% of men; ΔE 64.1 from the original
Deuteranopia#B3A02Cno green cones; the most common form, about 1% of men; ΔE 64.5 from the original
Tritanopia#FF3256no blue cones; rare, and affects men and women equally; ΔE 29.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.08:1WCAG large text: AA
Contrast with black, large text6.83:1WCAG large text: AAA

Named colours

Nearest named CSS colourTomato (#FF6347)ΔE 8.62, clearly different but related
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#33D2FD
Analogous#FD336D, #FDC333
Triadic#33FD5E, #5E33FD
Split complementary#33FDC3, #336DFD
Tetradic#6DFD33, #33D2FD, #C333FD

Tints, shades & saturation

Lighter +40%#FFFDFD
Lighter +30%#FED6CB
Lighter +20%#FEAE98
Lighter +10%#FD8666
Darker −10%#FB3702
Darker −20%#C82C02
Darker −30%#962101
Darker −40%#631601
More saturated +25%#FF5D31
Less saturated −25%#E36D4D

Channel breakdown

R253
G94
B51
Red253 (99.2%)
Green94 (36.9%)
Blue51 (20%)
Hue12.77°
Saturation (HSL)98.06%
Lightness59.61%
Dominant channelRed
Hex per channelR FD · G 5E · B 33

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Every value on this page was computed from “fd5e33” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.