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Recognised as Colour

#55BCB8

  • #55BCB8
  • Cyan
  • Dark
  • Nearest: Light seagreen

#55BCB8 is a cyan with RGB values 85, 188, 184 and HSL 178°, 43%, 54%. It is a dark colour, so black text on it reaches 9.3:1 contrast (AAA for normal text). The nearest named colour is Light seagreen.

Colour values

#55BCB8#55BCB8
HEX#55BCB8
RGBrgb(85, 188, 184)
RGB (0–1)0.3333, 0.7373, 0.7216
RGB percentages33.3%, 73.7%, 72.2%
HSLhsl(177.7, 43.5%, 53.5%)
HSV / HSBhsv(177.7, 54.8%, 73.7%)
CMYK54.8%, 0%, 2.1%, 26.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,618,872
CSS custom property--colour: #55BCB8;

Brightness & contrast

Relative luminance0.41358WCAG 2.x, 0 is black and 1 is white
Perceived brightness163.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.27:1
Contrast with white2.26:1WCAG normal text: Fail
Contrast with black9.27:1WCAG normal text: AAA
Greyscale equivalent#A6A6A6
Inverted#AA4347

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B2B3B8no red cones; affects about 1% of men; ΔE 31.7 from the original
Deuteranopia#A1A7B9no green cones; the most common form, about 1% of men; ΔE 32.4 from the original
Tritanopia#00C1BAno blue cones; rare, and affects men and women equally; ΔE 10.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.26:1WCAG large text: Fail
Contrast with black, large text9.27:1WCAG large text: AAA

Named colours

Light seagreen · ΔE 8.3Medium turquoise · ΔE 9.4Dark turquoise · ΔE 12.4Cadetblue · ΔE 14.4Turquoise · ΔE 17.5Medium aquamarine · ΔE 18
Nearest named CSS colourLight seagreen (#20B2AA)ΔE 8.3, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BC5559
Analogous#55BC84, #558CBC
Triadic#B855BC, #BCB855
Split complementary#BC558C, #BC8455
Tetradic#8555BC, #BC5559, #8DBC55

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E7F6F5
Lighter +30%#C3E7E6
Lighter +20%#9ED9D7
Lighter +10%#7ACAC7
Darker −10%#3F9F9B
Darker −20%#307B78
Darker −30%#225654
Darker −40%#143130
More saturated +25%#37DAD3
Less saturated −25%#739E9D

Channel breakdown

R85
G188
B184
Red85 (33.3%)
Green188 (73.7%)
Blue184 (72.2%)
Hue177.67°
Saturation (HSL)43.46%
Lightness53.53%
Dominant channelGreen
Hex per channelR 55 · G BC · B B8

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Every value on this page was computed from “55bcb8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.