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Recognised as Colour

#FFA645

  • #FFA645
  • Orange
  • Dark
  • Nearest: Sandy brown

#FFA645 is a orange with RGB values 255, 166, 69 and HSL 31°, 100%, 64%. It is a dark colour, so black text on it reaches 10.8:1 contrast (AAA for normal text). The nearest named colour is Sandy brown.

Colour values

#FFA645#FFA645
HEX#FFA645
RGBrgb(255, 166, 69)
RGB (0–1)1, 0.651, 0.2706
RGB percentages100%, 65.1%, 27.1%
HSLhsl(31.3, 100%, 63.5%)
HSV / HSBhsv(31.3, 72.9%, 100%)
CMYK0%, 34.9%, 72.9%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,754,245
CSS custom property--colour: #FFA645;

Brightness & contrast

Relative luminance0.48962WCAG 2.x, 0 is black and 1 is white
Perceived brightness190.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.79:1
Contrast with white1.95:1WCAG normal text: Fail
Contrast with black10.79:1WCAG normal text: AAA
Greyscale equivalent#B2B2B2
Inverted#0059BA

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#C2AD39no red cones; affects about 1% of men; ΔE 30.7 from the original
Deuteranopia#D7C247no green cones; the most common form, about 1% of men; ΔE 31.5 from the original
Tritanopia#FF9292no blue cones; rare, and affects men and women equally; ΔE 46.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.95:1WCAG large text: Fail
Contrast with black, large text10.79:1WCAG large text: AAA

Named colours

Sandy brown · ΔE 14.8Orange · ΔE 17.6Goldenrod · ΔE 18.6Dark orange · ΔE 19.4Peru · ΔE 19.5Dark goldenrod · ΔE 22.2
Nearest named CSS colourSandy brown (#F4A460)ΔE 14.8, a distinctly different colour
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#459EFF
Analogous#FF4945, #FBFF45
Triadic#45FFA6, #A645FF
Split complementary#45FBFF, #4945FF
Tetradic#45FF49, #459EFF, #FF45FB

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFEFDE
Lighter +20%#FFD7AB
Lighter +10%#FFBE78
Darker −10%#FF8E12
Darker −20%#DE7400
Darker −30%#AB5900
Darker −40%#783F00
More saturated +25%#FFA645
Less saturated −25%#E8A55C

Channel breakdown

R255
G166
B69
Red255 (100%)
Green166 (65.1%)
Blue69 (27.1%)
Hue31.29°
Saturation (HSL)100%
Lightness63.53%
Dominant channelRed
Hex per channelR FF · G A6 · B 45

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Every value on this page was computed from “ffa645” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.