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Recognised as Colour

#18CDBA

  • #18CDBA
  • Cyan
  • Dark
  • Nearest: Turquoise

#18CDBA is a cyan with RGB values 24, 205, 186 and HSL 174°, 79%, 45%. It is a dark colour, so black text on it reaches 10.5:1 contrast (AAA for normal text). The nearest named colour is Turquoise.

Colour values

#18CDBA#18CDBA
HEX#18CDBA
RGBrgb(24, 205, 186)
RGB (0–1)0.0941, 0.8039, 0.7294
RGB percentages9.4%, 80.4%, 72.9%
HSLhsl(173.7, 79%, 44.9%)
HSV / HSBhsv(173.7, 88.3%, 80.4%)
CMYK88.3%, 0%, 9.3%, 19.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,625,530
CSS custom property--colour: #18CDBA;

Brightness & contrast

Relative luminance0.47402WCAG 2.x, 0 is black and 1 is white
Perceived brightness169.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.48:1
Contrast with white2:1WCAG normal text: Fail
Contrast with black10.48:1WCAG normal text: AAA
Greyscale equivalent#A5A5A5
Inverted#E73245

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#C3C0B9no red cones; affects about 1% of men; ΔE 45.8 from the original
Deuteranopia#ADB0BCno green cones; the most common form, about 1% of men; ΔE 47 from the original
Tritanopia#00D1C7no blue cones; rare, and affects men and women equally; ΔE 5.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2:1WCAG large text: Fail
Contrast with black, large text10.48:1WCAG large text: AAA

Named colours

Turquoise · ΔE 7.2Medium turquoise · ΔE 10.4Light seagreen · ΔE 12.4Dark turquoise · ΔE 12.4Medium aquamarine · ΔE 12.8Aqua · ΔE 20.6
Nearest named CSS colourTurquoise (#40E0D0)ΔE 7.16, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CD182B
Analogous#18CD60, #1885CD
Triadic#BA18CD, #CDBA18
Split complementary#CD1885, #CD6018
Tetradic#6018CD, #CD182B, #85CD18

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BAF7F1
Lighter +30%#8CF2E7
Lighter +20%#5FECDD
Lighter +10%#31E7D4
Darker −10%#139F91
Darker −20%#0D7267
Darker −30%#08443E
Darker −40%#031614
More saturated +25%#00E5CD
Less saturated −25%#35B0A3

Channel breakdown

R24
G205
B186
Red24 (9.4%)
Green205 (80.4%)
Blue186 (72.9%)
Hue173.7°
Saturation (HSL)79.04%
Lightness44.9%
Dominant channelGreen
Hex per channelR 18 · G CD · B BA

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Every value on this page was computed from “18cdba” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.