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Recognised as Colour

#FD4F00

  • #FD4F00
  • Orange
  • Dark
  • Nearest: Orange red

#FD4F00 is a orange with RGB values 253, 79, 0 and HSL 19°, 100%, 50%. It is a dark colour, so black text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Orange red.

Colour values

#FD4F00#FD4F00
HEX#FD4F00
RGBrgb(253, 79, 0)
RGB (0–1)0.9922, 0.3098, 0
RGB percentages99.2%, 31%, 0%
HSLhsl(18.7, 100%, 49.6%)
HSV / HSBhsv(18.7, 100%, 99.2%)
CMYK0%, 68.8%, 100%, 0.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,600,832
CSS custom property--colour: #FD4F00;

Brightness & contrast

Relative luminance0.26475WCAG 2.x, 0 is black and 1 is white
Perceived brightness151 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.29:1
Contrast with white3.34:1WCAG normal text: Fail
Contrast with black6.29:1WCAG normal text: AA
Greyscale equivalent#6E6E6E
Inverted#02B0FF

Colour vision & accessibility

Protanopia#847400no red cones; affects about 1% of men; ΔE 70.3 from the original
Deuteranopia#AF9B00no green cones; the most common form, about 1% of men; ΔE 69.7 from the original
Tritanopia#FF0045no blue cones; rare, and affects men and women equally; ΔE 36.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.34:1WCAG large text: AA
Contrast with black, large text6.29:1WCAG large text: AAA

Named colours

Nearest named CSS colourOrange red (#FF4500)ΔE 4.22, a close match
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#00AEFD
Analogous#FD0030, #FDCD00
Triadic#00FD4F, #4F00FD
Split complementary#00FDCD, #0030FD
Tetradic#30FD00, #00AEFD, #CD00FD

Tints, shades & saturation

Lighter +40%#FFDBCA
Lighter +30%#FFB797
Lighter +20%#FF9464
Lighter +10%#FF7131
Darker −10%#CA3F00
Darker −20%#972F00
Darker −30%#641F00
Darker −40%#310F00
More saturated +25%#FD4F00
Less saturated −25%#DD5B20

Channel breakdown

R253
G79
B0
Red253 (99.2%)
Green79 (31%)
Blue0 (0%)
Hue18.74°
Saturation (HSL)100%
Lightness49.61%
Dominant channelRed
Hex per channelR FD · G 4F · B 00

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Every value on this page was computed from “fd4f00” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.