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Recognised as Colour

#18EBFF

  • #18EBFF
  • Cyan
  • Light
  • Nearest: Dark turquoise

#18EBFF is a cyan with RGB values 24, 235, 255 and HSL 185°, 100%, 55%. It is a light colour, so black text on it reaches 14.4:1 contrast (AAA for normal text). The nearest named colour is Dark turquoise.

Colour values

#18EBFF#18EBFF
HEX#18EBFF
RGBrgb(24, 235, 255)
RGB (0–1)0.0941, 0.9216, 1
RGB percentages9.4%, 92.2%, 100%
HSLhsl(185.2, 100%, 54.7%)
HSV / HSBhsv(185.2, 90.6%, 100%)
CMYK90.6%, 7.8%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,633,279
CSS custom property--colour: #18EBFF;

Brightness & contrast

Relative luminance0.66831WCAG 2.x, 0 is black and 1 is white
Perceived brightness200 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#E71400

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#D6E1FFno red cones; affects about 1% of men; ΔE 41.7 from the original
Deuteranopia#BACDFFno green cones; the most common form, about 1% of men; ΔE 43.3 from the original
Tritanopia#00F6F1no blue cones; rare, and affects men and women equally; ΔE 15.1 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

Dark turquoise · ΔE 13.8Aqua · ΔE 14Cyan · ΔE 14Medium turquoise · ΔE 16.7Turquoise · ΔE 19.9Sky blue · ΔE 24.6
Nearest named CSS colourDark turquoise (#00CED1)ΔE 13.75, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF2C18
Analogous#18FFA0, #1877FF
Triadic#FF18EB, #EBFF18
Split complementary#FF1877, #FFA018
Tetradic#A018FF, #FF2C18, #77FF18

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E4FDFF
Lighter +30%#B1F8FF
Lighter +20%#7EF4FF
Lighter +10%#4BEFFF
Darker −10%#00D0E4
Darker −20%#00A2B1
Darker −30%#00737E
Darker −40%#00454B
More saturated +25%#18EBFF
Less saturated −25%#35D3E2

Channel breakdown

R24
G235
B255
Red24 (9.4%)
Green235 (92.2%)
Blue255 (100%)
Hue185.19°
Saturation (HSL)100%
Lightness54.71%
Dominant channelBlue
Hex per channelR 18 · G EB · B FF

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