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Recognised as Colour

#AC66EA

  • #AC66EA
  • Violet
  • Dark
  • Nearest: Medium orchid

#AC66EA is a violet with RGB values 172, 102, 234 and HSL 272°, 76%, 66%. It is a dark colour, so black text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Medium orchid.

Colour values

#AC66EA#AC66EA
HEX#AC66EA
RGBrgb(172, 102, 234)
RGB (0–1)0.6745, 0.4, 0.9176
RGB percentages67.5%, 40%, 91.8%
HSLhsl(271.8, 75.9%, 65.9%)
HSV / HSBhsv(271.8, 56.4%, 91.8%)
CMYK26.5%, 56.4%, 0%, 8.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,298,538
CSS custom property--colour: #AC66EA;

Brightness & contrast

Relative luminance0.24214WCAG 2.x, 0 is black and 1 is white
Perceived brightness145.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.84:1
Contrast with white3.59:1WCAG normal text: Fail
Contrast with black5.84:1WCAG normal text: AA
Greyscale equivalent#7E7E7E
Inverted#539915

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3485EEno red cones; affects about 1% of men; ΔE 40.3 from the original
Deuteranopia#4F87E7no green cones; the most common form, about 1% of men; ΔE 40.3 from the original
Tritanopia#A27F9Eno blue cones; rare, and affects men and women equally; ΔE 55.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.59:1WCAG large text: AA
Contrast with black, large text5.84:1WCAG large text: AAA

Named colours

Medium orchid · ΔE 11.5Medium slateblue · ΔE 15Medium purple · ΔE 16.6Dark orchid · ΔE 18.7Slate blue · ΔE 19.6Orchid · ΔE 23
Nearest named CSS colourMedium orchid (#BA55D3)ΔE 11.52, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A4EA66
Analogous#6A66EA, #EA66E6
Triadic#EAAC66, #66EAAC
Split complementary#E6EA66, #66EA6A
Tetradic#EA6A66, #A4EA66, #66E6EA

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#F5EDFC
Lighter +20%#DDC0F6
Lighter +10%#C493F0
Darker −10%#9439E4
Darker −20%#7A1CCE
Darker −30%#6016A1
Darker −40%#451074
More saturated +25%#AD51FF
Less saturated −25%#AB7CD4

Channel breakdown

R172
G102
B234
Red172 (67.5%)
Green102 (40%)
Blue234 (91.8%)
Hue271.82°
Saturation (HSL)75.86%
Lightness65.88%
Dominant channelBlue
Hex per channelR AC · G 66 · B EA

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Every value on this page was computed from “ac66ea” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.