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Recognised as Colour

#FD7D51

  • #FD7D51
  • Orange
  • Dark
  • Nearest: Coral

#FD7D51 is a orange with RGB values 253, 125, 81 and HSL 15°, 98%, 65%. It is a dark colour, so black text on it reaches 8.2:1 contrast (AAA for normal text). The nearest named colour is Coral.

Colour values

#FD7D51#FD7D51
HEX#FD7D51
RGBrgb(253, 125, 81)
RGB (0–1)0.9922, 0.4902, 0.3176
RGB percentages99.2%, 49%, 31.8%
HSLhsl(15.3, 97.7%, 65.5%)
HSV / HSBhsv(15.3, 68%, 99.2%)
CMYK0%, 50.6%, 68%, 0.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,612,689
CSS custom property--colour: #FD7D51;

Brightness & contrast

Relative luminance0.36144WCAG 2.x, 0 is black and 1 is white
Perceived brightness170.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.23:1
Contrast with white2.55:1WCAG normal text: Fail
Contrast with black8.23:1WCAG normal text: AAA
Greyscale equivalent#959595
Inverted#0282AE

Colour vision & accessibility

Protanopia#9F914Cno red cones; affects about 1% of men; ΔE 50.9 from the original
Deuteranopia#BFAD4Eno green cones; the most common form, about 1% of men; ΔE 51.2 from the original
Tritanopia#FF6373no blue cones; rare, and affects men and women equally; ΔE 27.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.55:1WCAG large text: Fail
Contrast with black, large text8.23:1WCAG large text: AAA

Named colours

Nearest named CSS colourCoral (#FF7F50)ΔE 1.52, below the just-noticeable difference
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#51D1FD
Analogous#FD517B, #FDD351
Triadic#51FD7D, #7D51FD
Split complementary#51FDD3, #517BFD
Tetradic#7BFD51, #51D1FD, #D351FD

Tints, shades & saturation

Lighter +40%#FFFFFF
Lighter +30%#FFEEE8
Lighter +20%#FEC8B6
Lighter +10%#FEA383
Darker −10%#FC571F
Darker −20%#E53D03
Darker −30%#B32F02
Darker −40%#812201
More saturated +25%#FF7C4F
Less saturated −25%#E78867

Channel breakdown

R253
G125
B81
Red253 (99.2%)
Green125 (49%)
Blue81 (31.8%)
Hue15.35°
Saturation (HSL)97.73%
Lightness65.49%
Dominant channelRed
Hex per channelR FD · G 7D · B 51

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Every value on this page was computed from “fd7d51” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.