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Recognised as Colour

#FF8A42

  • #FF8A42
  • Orange
  • Dark
  • Nearest: Coral

#FF8A42 is a orange with RGB values 255, 138, 66 and HSL 23°, 100%, 63%. It is a dark colour, so black text on it reaches 9:1 contrast (AAA for normal text). The nearest named colour is Coral.

Colour values

#FF8A42#FF8A42
HEX#FF8A42
RGBrgb(255, 138, 66)
RGB (0–1)1, 0.5412, 0.2588
RGB percentages100%, 54.1%, 25.9%
HSLhsl(22.9, 100%, 62.9%)
HSV / HSBhsv(22.9, 74.1%, 100%)
CMYK0%, 45.9%, 74.1%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,747,074
CSS custom property--colour: #FF8A42;

Brightness & contrast

Relative luminance0.3983WCAG 2.x, 0 is black and 1 is white
Perceived brightness176.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.97:1
Contrast with white2.34:1WCAG normal text: Fail
Contrast with black8.97:1WCAG normal text: AAA
Greyscale equivalent#9E9E9E
Inverted#0075BD

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#AB9939no red cones; affects about 1% of men; ΔE 44.8 from the original
Deuteranopia#C7B340no green cones; the most common form, about 1% of men; ΔE 45.3 from the original
Tritanopia#FF717Bno blue cones; rare, and affects men and women equally; ΔE 38.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.34:1WCAG large text: Fail
Contrast with black, large text8.97:1WCAG large text: AAA

Named colours

Coral · ΔE 11.1Chocolate · ΔE 13.5Dark orange · ΔE 19.1Sandy brown · ΔE 19.5Peru · ΔE 21.2Tomato · ΔE 22.3
Nearest named CSS colourCoral (#FF7F50)ΔE 11.08, a distinctly different colour
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#42B7FF
Analogous#FF4259, #FFE842
Triadic#42FF8A, #8A42FF
Split complementary#42FFE9, #4258FF
Tetradic#58FF42, #42B7FF, #E942FF

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFE9DB
Lighter +20%#FFC9A8
Lighter +10%#FFAA75
Darker −10%#FF6A0F
Darker −20%#DB5300
Darker −30%#A84000
Darker −40%#752D00
More saturated +25%#FF8A42
Less saturated −25%#E7905A

Channel breakdown

R255
G138
B66
Red255 (100%)
Green138 (54.1%)
Blue66 (25.9%)
Hue22.86°
Saturation (HSL)100%
Lightness62.94%
Dominant channelRed
Hex per channelR FF · G 8A · B 42

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Every value on this page was computed from “ff8a42” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.