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Recognised as Colour

#FFA631

  • #FFA631
  • Orange
  • Dark
  • Nearest: Orange

#FFA631 is a orange with RGB values 255, 166, 49 and HSL 34°, 100%, 60%. It is a dark colour, so black text on it reaches 10.8:1 contrast (AAA for normal text). The nearest named colour is Orange.

Colour values

#FFA631#FFA631
HEX#FFA631
RGBrgb(255, 166, 49)
RGB (0–1)1, 0.651, 0.1922
RGB percentages100%, 65.1%, 19.2%
HSLhsl(34.1, 100%, 59.6%)
HSV / HSBhsv(34.1, 80.8%, 100%)
CMYK0%, 34.9%, 80.8%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,754,225
CSS custom property--colour: #FFA631;

Brightness & contrast

Relative luminance0.48754WCAG 2.x, 0 is black and 1 is white
Perceived brightness189.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.75:1
Contrast with white1.95:1WCAG normal text: Fail
Contrast with black10.75:1WCAG normal text: AAA
Greyscale equivalent#B0B0B0
Inverted#0059CE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#C3AD1Ano red cones; affects about 1% of men; ΔE 30.6 from the original
Deuteranopia#D8C234no green cones; the most common form, about 1% of men; ΔE 31.3 from the original
Tritanopia#FF9190no blue cones; rare, and affects men and women equally; ΔE 53.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.95:1WCAG large text: Fail
Contrast with black, large text10.75:1WCAG large text: AAA

Named colours

Orange · ΔE 9.9Dark orange · ΔE 15.3Goldenrod · ΔE 16.3Sandy brown · ΔE 22.3Dark goldenrod · ΔE 22.5Peru · ΔE 25.2
Nearest named CSS colourOrange (#FFA500)ΔE 9.93, clearly different but related
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#318AFF
Analogous#FF3F31, #F1FF31
Triadic#31FFA6, #A631FF
Split complementary#31F1FF, #3F31FF
Tetradic#31FF3F, #318AFF, #FF31F1

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFEFD
Lighter +30%#FFE8CA
Lighter +20%#FFD297
Lighter +10%#FFBC64
Darker −10%#FD9000
Darker −20%#CA7300
Darker −30%#975600
Darker −40%#643900
More saturated +25%#FFA631
Less saturated −25%#E5A34B

Channel breakdown

R255
G166
B49
Red255 (100%)
Green166 (65.1%)
Blue49 (19.2%)
Hue34.08°
Saturation (HSL)100%
Lightness59.61%
Dominant channelRed
Hex per channelR FF · G A6 · B 31

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Every value on this page was computed from “ffa631” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.