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Recognised as Colour

#55D3E6

  • #55D3E6
  • Cyan
  • Light
  • Nearest: Dark turquoise

#55D3E6 is a cyan with RGB values 85, 211, 230 and HSL 188°, 74%, 62%. It is a light colour, so black text on it reaches 11.8:1 contrast (AAA for normal text). The nearest named colour is Dark turquoise.

Colour values

#55D3E6#55D3E6
HEX#55D3E6
RGBrgb(85, 211, 230)
RGB (0–1)0.3333, 0.8275, 0.902
RGB percentages33.3%, 82.7%, 90.2%
HSLhsl(187.9, 74.4%, 61.8%)
HSV / HSBhsv(187.9, 63%, 90.2%)
CMYK63%, 8.3%, 0%, 9.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,624,806
CSS custom property--colour: #55D3E6;

Brightness & contrast

Relative luminance0.54233WCAG 2.x, 0 is black and 1 is white
Perceived brightness185.3 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 11.85:1
Contrast with white1.77:1WCAG normal text: Fail
Contrast with black11.85:1WCAG normal text: AAA
Greyscale equivalent#BABABA
Inverted#AA2C19

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#C2CCE7no red cones; affects about 1% of men; ΔE 31.6 from the original
Deuteranopia#ACBCE6no green cones; the most common form, about 1% of men; ΔE 32.8 from the original
Tritanopia#00DCD9no blue cones; rare, and affects men and women equally; ΔE 17.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.77:1WCAG large text: Fail
Contrast with black, large text11.85:1WCAG large text: AAA

Named colours

Dark turquoise · ΔE 13.1Medium turquoise · ΔE 14.2Sky blue · ΔE 14.2Pale turquoise · ΔE 19.9Light skyblue · ΔE 20.2Powder blue · ΔE 20.4
Nearest named CSS colourDark turquoise (#00CED1)ΔE 13.11, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E66855
Analogous#55E6B0, #558BE6
Triadic#E655D3, #D3E655
Split complementary#E6558B, #E6B055
Tetradic#B055E6, #E66855, #8BE655

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#DAF6FA
Lighter +20%#AEEAF3
Lighter +10%#81DFED
Darker −10%#29C7DF
Darker −20%#1BA5BA
Darker −30%#157D8D
Darker −40%#0E5661
More saturated +25%#3DE5FE
Less saturated −25%#6DC1CE

Channel breakdown

R85
G211
B230
Red85 (33.3%)
Green211 (82.7%)
Blue230 (90.2%)
Hue187.86°
Saturation (HSL)74.36%
Lightness61.76%
Dominant channelBlue
Hex per channelR 55 · G D3 · B E6

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Every value on this page was computed from “55d3e6” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.