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Colour

#18F1FB

  • #18F1FB
  • Cyan
  • Light
  • Nearest: Aqua

#18F1FB is a cyan with RGB values 24, 241, 251 and HSL 183°, 97%, 54%. It is a light colour, so black text on it reaches 15:1 contrast (AAA for normal text). The nearest named colour is Aqua.

Colour values

#18F1FB#18F1FB
HEX#18F1FB
RGBrgb(24, 241, 251)
RGB (0–1)0.0941, 0.9451, 0.9843
RGB percentages9.4%, 94.5%, 98.4%
HSLhsl(182.6, 96.6%, 53.9%)
HSV / HSBhsv(182.6, 90.4%, 98.4%)
CMYK90.4%, 4%, 0%, 1.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,634,811
CSS custom property--colour: #18F1FB;

Brightness & contrast

Relative luminance0.7007WCAG 2.x, 0 is black and 1 is white
Perceived brightness203.6 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 15.01:1
Contrast with white1.4:1WCAG normal text: Fail
Contrast with black15.01:1WCAG normal text: AAA
Greyscale equivalent#C4C4C4
Inverted#E70E04

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#DEE6FCno red cones; affects about 1% of men; ΔE 44.8 from the original
Deuteranopia#C2D1FCno green cones; the most common form, about 1% of men; ΔE 46.8 from the original
Tritanopia#00FBF4no blue cones; rare, and affects men and women equally; ΔE 10.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.4:1WCAG large text: Fail
Contrast with black, large text15.01:1WCAG large text: AAA

Named colours

Aqua · ΔE 8Cyan · ΔE 8Dark turquoise · ΔE 12.9Medium turquoise · ΔE 15Turquoise · ΔE 15.4Light seagreen · ΔE 24.8
Nearest named CSS colourAqua (#00FFFF)ΔE 8, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FB2218
Analogous#18FB93, #1880FB
Triadic#FB18F1, #F1FB18
Split complementary#FB1880, #FB9318
Tetradic#9318FB, #FB2218, #7FFB18

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E1FDFE
Lighter +30%#AEFAFE
Lighter +20%#7CF7FD
Lighter +10%#4AF4FC
Darker −10%#04D3DC
Darker −20%#03A3AA
Darker −30%#027378
Darker −40%#014346
More saturated +25%#14F5FF
Less saturated −25%#35D6DE

Channel breakdown

R24
G241
B251
Red24 (9.4%)
Green241 (94.5%)
Blue251 (98.4%)
Hue182.64°
Saturation (HSL)96.6%
Lightness53.92%
Dominant channelBlue
Hex per channelR 18 · G F1 · B FB

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Every value on this page was computed from “18f1fb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.