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Colour

#FF55A9

  • #FF55A9
  • Red
  • Dark
  • Nearest: Hot pink

#FF55A9 is a red with RGB values 255, 85, 169 and HSL 330°, 100%, 67%. It is a dark colour, so black text on it reaches 7.1:1 contrast (AAA for normal text). The nearest named colour is Hot pink.

Colour values

#FF55A9#FF55A9
HEX#FF55A9
RGBrgb(255, 85, 169)
RGB (0–1)1, 0.3333, 0.6627
RGB percentages100%, 33.3%, 66.3%
HSLhsl(330.4, 100%, 66.7%)
HSV / HSBhsv(330.4, 66.7%, 100%)
CMYK0%, 66.7%, 33.7%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,733,609
CSS custom property--colour: #FF55A9;

Brightness & contrast

Relative luminance0.30622WCAG 2.x, 0 is black and 1 is white
Perceived brightness164.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.12:1
Contrast with white2.95:1WCAG normal text: Fail
Contrast with black7.12:1WCAG normal text: AAA
Greyscale equivalent#7F7F7F
Inverted#00AA56

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7183ABno red cones; affects about 1% of men; ΔE 69.5 from the original
Deuteranopia#A1A2A5no green cones; the most common form, about 1% of men; ΔE 71.3 from the original
Tritanopia#FF4878no blue cones; rare, and affects men and women equally; ΔE 24.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.95:1WCAG large text: Fail
Contrast with black, large text7.12:1WCAG large text: AAA

Named colours

Hot pink · ΔE 7.6Deep pink · ΔE 15.3Medium violet red · ΔE 18.4Pale violetred · ΔE 27.3Orchid · ΔE 29.6Violet · ΔE 32.1
Nearest named CSS colourHot pink (#FF69B4)ΔE 7.64, clearly different but related
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#55FFAB
Analogous#FF55FE, #FF5655
Triadic#A9FF55, #55A9FF
Split complementary#55FF56, #55FEFF
Tetradic#FEFF55, #55FFAB, #5655FF

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFEEF6
Lighter +20%#FFBBDD
Lighter +10%#FF88C3
Darker −10%#FF228F
Darker −20%#EE0076
Darker −30%#BB005C
Darker −40%#880043
More saturated +25%#FF55A9
Less saturated −25%#EA6AA9

Channel breakdown

R255
G85
B169
Red255 (100%)
Green85 (33.3%)
Blue169 (66.3%)
Hue330.35°
Saturation (HSL)100%
Lightness66.67%
Dominant channelRed
Hex per channelR FF · G 55 · B A9

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Every value on this page was computed from “ff55a9” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.