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Recognised as Colour

#55AFB3

  • #55AFB3
  • Cyan
  • Dark
  • Nearest: Cadetblue

#55AFB3 is a cyan with RGB values 85, 175, 179 and HSL 183°, 38%, 52%. It is a dark colour, so black text on it reaches 8.2:1 contrast (AAA for normal text). The nearest named colour is Cadetblue.

Colour values

#55AFB3#55AFB3
HEX#55AFB3
RGBrgb(85, 175, 179)
RGB (0–1)0.3333, 0.6863, 0.702
RGB percentages33.3%, 68.6%, 70.2%
HSLhsl(182.6, 38.2%, 51.8%)
HSV / HSBhsv(182.6, 52.5%, 70.2%)
CMYK52.5%, 2.2%, 0%, 29.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,615,539
CSS custom property--colour: #55AFB3;

Brightness & contrast

Relative luminance0.35846WCAG 2.x, 0 is black and 1 is white
Perceived brightness154.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.17:1
Contrast with white2.57:1WCAG normal text: Fail
Contrast with black8.17:1WCAG normal text: AAA
Greyscale equivalent#9C9C9C
Inverted#AA504C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A4A8B3no red cones; affects about 1% of men; ΔE 26.8 from the original
Deuteranopia#959DB4no green cones; the most common form, about 1% of men; ΔE 27.8 from the original
Tritanopia#02B4B0no blue cones; rare, and affects men and women equally; ΔE 12.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.57:1WCAG large text: Fail
Contrast with black, large text8.17:1WCAG large text: AAA

Named colours

Cadetblue · ΔE 8.4Light seagreen · ΔE 12.5Dark cyan · ΔE 15.1Medium turquoise · ΔE 15.8Dark turquoise · ΔE 17.2Teal · ΔE 18.5
Nearest named CSS colourCadetblue (#5F9EA0)ΔE 8.44, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B35955
Analogous#55B388, #5580B3
Triadic#B355AF, #AFB355
Split complementary#B35580, #B38855
Tetradic#8855B3, #B35955, #80B355

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E2F1F2
Lighter +30%#BFE1E2
Lighter +20%#9BD0D3
Lighter +10%#78C0C3
Darker −10%#429093
Darker −20%#326D70
Darker −30%#224B4D
Darker −40%#132829
More saturated +25%#36CBD2
Less saturated −25%#749394

Channel breakdown

R85
G175
B179
Red85 (33.3%)
Green175 (68.6%)
Blue179 (70.2%)
Hue182.55°
Saturation (HSL)38.21%
Lightness51.76%
Dominant channelBlue
Hex per channelR 55 · G AF · B B3

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Every value on this page was computed from “55afb3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.