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Recognised as Colour

#18CBBD

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

#18CBBD is a cyan with RGB values 24, 203, 189 and HSL 175°, 79%, 45%. It is a dark colour, so black text on it reaches 10.3:1 contrast (AAA for normal text). The nearest named colour is Turquoise.

Colour values

#18CBBD#18CBBD
HEX#18CBBD
RGBrgb(24, 203, 189)
RGB (0–1)0.0941, 0.7961, 0.7412
RGB percentages9.4%, 79.6%, 74.1%
HSLhsl(175.3, 78.9%, 44.5%)
HSV / HSBhsv(175.3, 88.2%, 79.6%)
CMYK88.2%, 0%, 6.9%, 20.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,625,021
CSS custom property--colour: #18CBBD;

Brightness & contrast

Relative luminance0.4658WCAG 2.x, 0 is black and 1 is white
Perceived brightness168.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.32:1
Contrast with white2.04:1WCAG normal text: Fail
Contrast with black10.32:1WCAG normal text: AAA
Greyscale equivalent#A4A4A4
Inverted#E73442

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#C0BFBDno red cones; affects about 1% of men; ΔE 44.2 from the original
Deuteranopia#AAAFBFno green cones; the most common form, about 1% of men; ΔE 45.4 from the original
Tritanopia#00D0C6no blue cones; rare, and affects men and women equally; ΔE 3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.04:1WCAG large text: Fail
Contrast with black, large text10.32:1WCAG large text: AAA

Named colours

Turquoise · ΔE 7.4Medium turquoise · ΔE 7.9Dark turquoise · ΔE 9.6Light seagreen · ΔE 10.4Medium aquamarine · ΔE 14.2Aqua · ΔE 20.1
Nearest named CSS colourTurquoise (#40E0D0)ΔE 7.39, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CB1826
Analogous#18CB64, #1880CB
Triadic#BD18CB, #CBBD18
Split complementary#CB1880, #CB6318
Tetradic#6318CB, #CB1826, #80CB18

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B8F7F2
Lighter +30%#8BF1E9
Lighter +20%#5DECE1
Lighter +10%#30E6D8
Darker −10%#139D93
Darker −20%#0D7068
Darker −30%#08423E
Darker −40%#021513
More saturated +25%#00E3D1
Less saturated −25%#34AFA5

Channel breakdown

R24
G203
B189
Red24 (9.4%)
Green203 (79.6%)
Blue189 (74.1%)
Hue175.31°
Saturation (HSL)78.85%
Lightness44.51%
Dominant channelGreen
Hex per channelR 18 · G CB · B BD

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