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Recognised as Colour

#18EAFF

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

#18EAFF is a cyan with RGB values 24, 234, 255 and HSL 185°, 100%, 55%. It is a light colour, so black text on it reaches 14.3:1 contrast (AAA for normal text). The nearest named colour is Dark turquoise.

Colour values

#18EAFF#18EAFF
HEX#18EAFF
RGBrgb(24, 234, 255)
RGB (0–1)0.0941, 0.9176, 1
RGB percentages9.4%, 91.8%, 100%
HSLhsl(185.5, 100%, 54.7%)
HSV / HSBhsv(185.5, 90.6%, 100%)
CMYK90.6%, 8.2%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,633,023
CSS custom property--colour: #18EAFF;

Brightness & contrast

Relative luminance0.6626WCAG 2.x, 0 is black and 1 is white
Perceived brightness199.3 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 14.25:1
Contrast with white1.47:1WCAG normal text: Fail
Contrast with black14.25:1WCAG normal text: AAA
Greyscale equivalent#BFBFBF
Inverted#E71500

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#D5E0FFno red cones; affects about 1% of men; ΔE 41.4 from the original
Deuteranopia#B9CCFFno green cones; the most common form, about 1% of men; ΔE 43.1 from the original
Tritanopia#00F5F0no blue cones; rare, and affects men and women equally; ΔE 15.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.47:1WCAG large text: Fail
Contrast with black, large text14.25:1WCAG large text: AAA

Named colours

Dark turquoise · ΔE 13.9Aqua · ΔE 14.7Cyan · ΔE 14.7Medium turquoise · ΔE 17Turquoise · ΔE 20.4Sky blue · ΔE 24.1
Nearest named CSS colourDark turquoise (#00CED1)ΔE 13.9, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF2D18
Analogous#18FFA1, #1876FF
Triadic#FF18EA, #EAFF18
Split complementary#FF1876, #FFA018
Tetradic#A118FF, #FF2D18, #77FF18

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E4FDFF
Lighter +30%#B1F8FF
Lighter +20%#7EF3FF
Lighter +10%#4BEFFF
Darker −10%#00CFE4
Darker −20%#00A1B1
Darker −30%#00737E
Darker −40%#00444B
More saturated +25%#18EAFF
Less saturated −25%#35D2E2

Channel breakdown

R24
G234
B255
Red24 (9.4%)
Green234 (91.8%)
Blue255 (100%)
Hue185.45°
Saturation (HSL)100%
Lightness54.71%
Dominant channelBlue
Hex per channelR 18 · G EA · B FF

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