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Recognised as Colour

#55BDA5

  • #55BDA5
  • Cyan
  • Dark
  • Nearest: Medium aquamarine

#55BDA5 is a cyan with RGB values 85, 189, 165 and HSL 166°, 44%, 54%. It is a dark colour, so black text on it reaches 9.2:1 contrast (AAA for normal text). The nearest named colour is Medium aquamarine.

Colour values

#55BDA5#55BDA5
HEX#55BDA5
RGBrgb(85, 189, 165)
RGB (0–1)0.3333, 0.7412, 0.6471
RGB percentages33.3%, 74.1%, 64.7%
HSLhsl(166.2, 44.1%, 53.7%)
HSV / HSBhsv(166.2, 55%, 74.1%)
CMYK55%, 0%, 12.7%, 25.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,619,109
CSS custom property--colour: #55BDA5;

Brightness & contrast

Relative luminance0.41043WCAG 2.x, 0 is black and 1 is white
Perceived brightness162 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.21:1
Contrast with white2.28:1WCAG normal text: Fail
Contrast with black9.21:1WCAG normal text: AAA
Greyscale equivalent#A5A5A5
Inverted#AA425A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B7B2A4no red cones; affects about 1% of men; ΔE 35.7 from the original
Deuteranopia#A7A7A7no green cones; the most common form, about 1% of men; ΔE 36.2 from the original
Tritanopia#15BFB6no blue cones; rare, and affects men and women equally; ΔE 10.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.28:1WCAG large text: Fail
Contrast with black, large text9.21:1WCAG large text: AAA

Named colours

Medium aquamarine · ΔE 8Light seagreen · ΔE 10.5Medium turquoise · ΔE 13.3Turquoise · ΔE 15.4Dark turquoise · ΔE 17.8Dark seagreen · ΔE 19.4
Nearest named CSS colourMedium aquamarine (#66CDAA)ΔE 7.95, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BD556D
Analogous#55BD71, #55A1BD
Triadic#A555BD, #BDA555
Split complementary#BD55A1, #BD7155
Tetradic#7155BD, #BD556D, #A1BD55

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E8F6F3
Lighter +30%#C3E8DF
Lighter +20%#9EDACC
Lighter +10%#7ACBB8
Darker −10%#3EA18A
Darker −20%#307C6A
Darker −30%#22574B
Darker −40%#14322B
More saturated +25%#37DBB5
Less saturated −25%#72A095

Channel breakdown

R85
G189
B165
Red85 (33.3%)
Green189 (74.1%)
Blue165 (64.7%)
Hue166.15°
Saturation (HSL)44.07%
Lightness53.73%
Dominant channelGreen
Hex per channelR 55 · G BD · B A5

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Every value on this page was computed from “55bda5” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.