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Recognised as Colour

#18FCC5

  • #18FCC5
  • Cyan
  • Light
  • Nearest: Aquamarine

#18FCC5 is a cyan with RGB values 24, 252, 197 and HSL 166°, 97%, 54%. It is a light colour, so black text on it reaches 15.8:1 contrast (AAA for normal text). The nearest named colour is Aquamarine.

Colour values

#18FCC5#18FCC5
HEX#18FCC5
RGBrgb(24, 252, 197)
RGB (0–1)0.0941, 0.9882, 0.7725
RGB percentages9.4%, 98.8%, 77.3%
HSLhsl(165.5, 97.4%, 54.1%)
HSV / HSBhsv(165.5, 90.5%, 98.8%)
CMYK90.5%, 0%, 21.8%, 1.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,637,573
CSS custom property--colour: #18FCC5;

Brightness & contrast

Relative luminance0.73846WCAG 2.x, 0 is black and 1 is white
Perceived brightness204.6 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 15.77:1
Contrast with white1.33:1WCAG normal text: Fail
Contrast with black15.77:1WCAG normal text: AAA
Greyscale equivalent#C8C8C8
Inverted#E7033A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#F5EAC2no red cones; affects about 1% of men; ΔE 59.6 from the original
Deuteranopia#DCD8C9no green cones; the most common form, about 1% of men; ΔE 60.5 from the original
Tritanopia#00FEECno blue cones; rare, and affects men and women equally; ΔE 20.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.33:1WCAG large text: Fail
Contrast with black, large text15.77:1WCAG large text: AAA

Named colours

Aquamarine · ΔE 16.5Medium spring green · ΔE 21.9Turquoise · ΔE 25.3Medium aquamarine · ΔE 27Light green · ΔE 28.7Pale green · ΔE 29.1
Nearest named CSS colourAquamarine (#7FFFD4)ΔE 16.53, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FC184F
Analogous#18FC53, #18C1FC
Triadic#C518FC, #FCC518
Split complementary#FC18C1, #FC5318
Tetradic#5318FC, #FC184F, #C1FC18

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E1FFF8
Lighter +30%#AFFEEB
Lighter +20%#7DFDDE
Lighter +10%#4AFDD2
Darker −10%#03DEA9
Darker −20%#02AC83
Darker −30%#02795D
Darker −40%#014736
More saturated +25%#15FFC7
Less saturated −25%#35DFB6

Channel breakdown

R24
G252
B197
Red24 (9.4%)
Green252 (98.8%)
Blue197 (77.3%)
Hue165.53°
Saturation (HSL)97.44%
Lightness54.12%
Dominant channelGreen
Hex per channelR 18 · G FC · B C5

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Every value on this page was computed from “18fcc5” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.