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Recognised as Colour

#18DED3

  • #18DED3
  • Cyan
  • Light
  • Nearest: Turquoise

#18DED3 is a cyan with RGB values 24, 222, 211 and HSL 177°, 80%, 48%. It is a light colour, so black text on it reaches 12.4:1 contrast (AAA for normal text). The nearest named colour is Turquoise.

Colour values

#18DED3#18DED3
HEX#18DED3
RGBrgb(24, 222, 211)
RGB (0–1)0.0941, 0.8706, 0.8275
RGB percentages9.4%, 87.1%, 82.7%
HSLhsl(176.7, 80.5%, 48.2%)
HSV / HSBhsv(176.7, 89.2%, 87.1%)
CMYK89.2%, 0%, 5%, 12.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,629,907
CSS custom property--colour: #18DED3;

Brightness & contrast

Relative luminance0.5714WCAG 2.x, 0 is black and 1 is white
Perceived brightness184.9 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 12.43:1
Contrast with white1.69:1WCAG normal text: Fail
Contrast with black12.43:1WCAG normal text: AAA
Greyscale equivalent#B3B3B3
Inverted#E7212C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#D1D1D3no red cones; affects about 1% of men; ΔE 46.7 from the original
Deuteranopia#B9C0D5no green cones; the most common form, about 1% of men; ΔE 47.8 from the original
Tritanopia#00E4DAno blue cones; rare, and affects men and women equally; ΔE 2.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.69:1WCAG large text: Fail
Contrast with black, large text12.43:1WCAG large text: AAA

Named colours

Turquoise · ΔE 3.7Medium turquoise · ΔE 9.1Dark turquoise · ΔE 9.9Aqua · ΔE 13.1Cyan · ΔE 13.1Light seagreen · ΔE 16.7
Nearest named CSS colourTurquoise (#40E0D0)ΔE 3.7, a close match
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DE1823
Analogous#18DE70, #1886DE
Triadic#D318DE, #DED318
Split complementary#DE1886, #DE7018
Tetradic#7018DE, #DE1823, #86DE18

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C9F9F6
Lighter +30%#9BF4EF
Lighter +20%#6DEFE8
Lighter +10%#3FEAE1
Darker −10%#13B0A7
Darker −20%#0E827C
Darker −30%#095450
Darker −40%#042624
More saturated +25%#00F6E8
Less saturated −25%#37BFB8

Channel breakdown

R24
G222
B211
Red24 (9.4%)
Green222 (87.1%)
Blue211 (82.7%)
Hue176.67°
Saturation (HSL)80.49%
Lightness48.24%
Dominant channelGreen
Hex per channelR 18 · G DE · B D3

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Every value on this page was computed from “18ded3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.