Colour

#18EFD7

#18EFD7
Cyan
Light
Nearest: Turquoise

#18EFD7 is a cyan with RGB values 24, 239, 215 and HSL 173°, 87%, 52%. It is a light colour, so black text on it reaches 14.4:1 contrast (AAA for normal text). The nearest named colour is Turquoise.

Colour values

#18EFD7#18EFD7

HEX#18EFD7

RGBrgb(24, 239, 215)

RGB (0–1)0.0941, 0.9373, 0.8431

RGB percentages9.4%, 93.7%, 84.3%

HSLhsl(173.3, 87%, 51.6%)

HSV / HSBhsv(173.3, 90%, 93.7%)

CMYK90%, 0%, 10%, 6.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,634,263

CSS custom property--colour: #18EFD7;

Brightness & contrast

Relative luminance0.66833WCAG 2.x, 0 is black and 1 is white

Perceived brightness197.4 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 14.37:1

Contrast with white1.46:1WCAG normal text: Fail

Contrast with black14.37:1WCAG normal text: AAA

Greyscale equivalent#C0C0C0

Inverted#E71028

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#E3E0D6no red cones; affects about 1% of men; ΔE 51.7 from the original

Deuteranopia#CACED9no green cones; the most common form, about 1% of men; ΔE 52.8 from the original

Tritanopia#00F4E8no blue cones; rare, and affects men and women equally; ΔE 6.8 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text1.46:1WCAG large text: Fail

Contrast with black, large text14.37:1WCAG large text: AAA

Named colours

Turquoise · ΔE 9.1 Aqua · ΔE 14.2 Cyan · ΔE 14.2 Aquamarine · ΔE 14.6 Medium turquoise · ΔE 18.1 Medium aquamarine · ΔE 19.4

Nearest named CSS colourTurquoise (#40E0D0)ΔE 9.09, clearly different but related

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#EF1830

Analogous#18EF6B, #189CEF

Triadic#D718EF, #EFD718

Split complementary#EF189C, #EF6B18

Tetradic#6B18EF, #EF1830, #9CEF18

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#D7FCF8

Lighter +30%#A7F9F0

Lighter +20%#77F6E8

Lighter +10%#48F2DF

Darker −10%#0EC6B2

Darker −20%#0A9787

Darker −30%#07675C

Darker −40%#043731

More saturated +25%#08FFE3

Less saturated −25%#37D0BF

Channel breakdown

R24

G239

B215

Red24 (9.4%)

Green239 (93.7%)

Blue215 (84.3%)

Hue173.3°

Saturation (HSL)87.04%

Lightness51.57%

Dominant channelGreen

Hex per channelR 18 · G EF · B D7

Keep nerding

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#18EFD7

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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