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Colour

#FFAA18

  • #FFAA18
  • Orange
  • Light
  • Nearest: Orange

#FFAA18 is a orange with RGB values 255, 170, 24 and HSL 38°, 100%, 55%. It is a light colour, so black text on it reaches 11:1 contrast (AAA for normal text). The nearest named colour is Orange.

Colour values

#FFAA18#FFAA18
HEX#FFAA18
RGBrgb(255, 170, 24)
RGB (0–1)1, 0.6667, 0.0941
RGB percentages100%, 66.7%, 9.4%
HSLhsl(37.9, 100%, 54.7%)
HSV / HSBhsv(37.9, 90.6%, 100%)
CMYK0%, 33.3%, 90.6%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,755,224
CSS custom property--colour: #FFAA18;

Brightness & contrast

Relative luminance0.50075WCAG 2.x, 0 is black and 1 is white
Perceived brightness191 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 11.02:1
Contrast with white1.91:1WCAG normal text: Fail
Contrast with black11.02:1WCAG normal text: AAA
Greyscale equivalent#B2B2B2
Inverted#0055E7

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#C7B000no red cones; affects about 1% of men; ΔE 28.2 from the original
Deuteranopia#DBC420no green cones; the most common form, about 1% of men; ΔE 29 from the original
Tritanopia#FF9492no blue cones; rare, and affects men and women equally; ΔE 60.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.91:1WCAG large text: Fail
Contrast with black, large text11.02:1WCAG large text: AAA

Named colours

Orange · ΔE 3.6Goldenrod · ΔE 16.1Dark orange · ΔE 16.7Dark goldenrod · ΔE 24.7Gold · ΔE 28Sandy brown · ΔE 29.8
Nearest named CSS colourOrange (#FFA500)ΔE 3.6, a close match
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#186DFF
Analogous#FF3618, #E1FF18
Triadic#18FFAA, #AA18FF
Split complementary#18E0FF, #3718FF
Tetradic#18FF36, #186DFF, #FF18E0

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFF5E4
Lighter +30%#FFE2B1
Lighter +20%#FFD07E
Lighter +10%#FFBD4B
Darker −10%#E49000
Darker −20%#B17000
Darker −30%#7E5000
Darker −40%#4B2F00
More saturated +25%#FFAA18
Less saturated −25%#E2A235

Channel breakdown

R255
G170
B24
Red255 (100%)
Green170 (66.7%)
Blue24 (9.4%)
Hue37.92°
Saturation (HSL)100%
Lightness54.71%
Dominant channelRed
Hex per channelR FF · G AA · B 18

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Every value on this page was computed from “ffaa18” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.