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Recognised as Colour

#40ECFF

  • #40ECFF
  • Cyan
  • Light
  • Nearest: Dark turquoise

#40ECFF is a cyan with RGB values 64, 236, 255 and HSL 186°, 100%, 63%. It is a light colour, so black text on it reaches 14.7:1 contrast (AAA for normal text). The nearest named colour is Dark turquoise.

Colour values

#40ECFF#40ECFF
HEX#40ECFF
RGBrgb(64, 236, 255)
RGB (0–1)0.251, 0.9255, 1
RGB percentages25.1%, 92.5%, 100%
HSLhsl(186, 100%, 62.5%)
HSV / HSBhsv(186, 74.9%, 100%)
CMYK74.9%, 7.5%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,254,975
CSS custom property--colour: #40ECFF;

Brightness & contrast

Relative luminance0.68301WCAG 2.x, 0 is black and 1 is white
Perceived brightness203.3 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 14.66:1
Contrast with white1.43:1WCAG normal text: Fail
Contrast with black14.66:1WCAG normal text: AAA
Greyscale equivalent#C9C9C9
Inverted#BF1300

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#D8E3FFno red cones; affects about 1% of men; ΔE 38.9 from the original
Deuteranopia#BECFFFno green cones; the most common form, about 1% of men; ΔE 41.1 from the original
Tritanopia#00F6F2no blue cones; rare, and affects men and women equally; ΔE 15.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.43:1WCAG large text: Fail
Contrast with black, large text14.66:1WCAG large text: AAA

Named colours

Dark turquoise · ΔE 14Aqua · ΔE 14.8Cyan · ΔE 14.8Medium turquoise · ΔE 16.2Turquoise · ΔE 19.8Sky blue · ΔE 22.5
Nearest named CSS colourDark turquoise (#00CED1)ΔE 14.02, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF5340
Analogous#40FFB2, #408DFF
Triadic#FF40EC, #ECFF40
Split complementary#FF408D, #FFB240
Tetradic#B240FF, #FF5340, #8DFF40

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#D9FBFF
Lighter +20%#A6F6FF
Lighter +10%#73F1FF
Darker −10%#0DE7FF
Darker −20%#00C3D9
Darker −30%#0095A6
Darker −40%#006873
More saturated +25%#40ECFF
Less saturated −25%#58D9E7

Channel breakdown

R64
G236
B255
Red64 (25.1%)
Green236 (92.5%)
Blue255 (100%)
Hue185.97°
Saturation (HSL)100%
Lightness62.55%
Dominant channelBlue
Hex per channelR 40 · G EC · B FF

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Every value on this page was computed from “40ecff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.