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Recognised as Colour

#FF5F06

  • #FF5F06
  • Orange
  • Dark
  • Nearest: Orange red

#FF5F06 is a orange with RGB values 255, 95, 6 and HSL 21°, 100%, 51%. It is a dark colour, so black text on it reaches 6.9:1 contrast (AA for normal text). The nearest named colour is Orange red.

Colour values

#FF5F06#FF5F06
HEX#FF5F06
RGBrgb(255, 95, 6)
RGB (0–1)1, 0.3725, 0.0235
RGB percentages100%, 37.3%, 2.4%
HSLhsl(21.4, 100%, 51.2%)
HSV / HSBhsv(21.4, 97.6%, 100%)
CMYK0%, 62.7%, 97.6%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,736,006
CSS custom property--colour: #FF5F06;

Brightness & contrast

Relative luminance0.29458WCAG 2.x, 0 is black and 1 is white
Perceived brightness157.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.89:1
Contrast with white3.05:1WCAG normal text: Fail
Contrast with black6.89:1WCAG normal text: AA
Greyscale equivalent#7B7B7B
Inverted#00A0F9

Colour vision & accessibility

Protanopia#8E7D00no red cones; affects about 1% of men; ΔE 64.5 from the original
Deuteranopia#B6A100no green cones; the most common form, about 1% of men; ΔE 64.1 from the original
Tritanopia#FF2F52no blue cones; rare, and affects men and women equally; ΔE 41.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.05:1WCAG large text: AA
Contrast with black, large text6.89:1WCAG large text: AAA

Named colours

Nearest named CSS colourOrange red (#FF4500)ΔE 10.4, a distinctly different colour
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#06A6FF
Analogous#FF0629, #FFDB06
Triadic#06FF5F, #5F06FF
Split complementary#06FFDB, #062AFF
Tetradic#2AFF06, #06A6FF, #DC06FF

Tints, shades & saturation

Lighter +40%#FFE2D2
Lighter +30%#FFC19F
Lighter +20%#FFA16C
Lighter +10%#FF8039
Darker −10%#D24B00
Darker −20%#9F3900
Darker −30%#6C2700
Darker −40%#391400
More saturated +25%#FF5F06
Less saturated −25%#E06825

Channel breakdown

R255
G95
B6
Red255 (100%)
Green95 (37.3%)
Blue6 (2.4%)
Hue21.45°
Saturation (HSL)100%
Lightness51.18%
Dominant channelRed
Hex per channelR FF · G 5F · B 06

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Every value on this page was computed from “ff5f06” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.