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Recognised as Colour

#40CCD3

  • #40CCD3
  • Cyan
  • Dark
  • Nearest: Dark turquoise

#40CCD3 is a cyan with RGB values 64, 204, 211 and HSL 183°, 63%, 54%. It is a dark colour, so black text on it reaches 10.8:1 contrast (AAA for normal text). The nearest named colour is Dark turquoise.

Colour values

#40CCD3#40CCD3
HEX#40CCD3
RGBrgb(64, 204, 211)
RGB (0–1)0.251, 0.8, 0.8275
RGB percentages25.1%, 80%, 82.7%
HSLhsl(182.9, 62.6%, 53.9%)
HSV / HSBhsv(182.9, 69.7%, 82.7%)
CMYK69.7%, 3.3%, 0%, 17.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,246,739
CSS custom property--colour: #40CCD3;

Brightness & contrast

Relative luminance0.48979WCAG 2.x, 0 is black and 1 is white
Perceived brightness175.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.8:1
Contrast with white1.95:1WCAG normal text: Fail
Contrast with black10.8:1WCAG normal text: AAA
Greyscale equivalent#AFAFAF
Inverted#BF332C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#BDC3D4no red cones; affects about 1% of men; ΔE 36 from the original
Deuteranopia#A8B3D4no green cones; the most common form, about 1% of men; ΔE 37.6 from the original
Tritanopia#00D3CEno blue cones; rare, and affects men and women equally; ΔE 10.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.95:1WCAG large text: Fail
Contrast with black, large text10.8:1WCAG large text: AAA

Named colours

Dark turquoise · ΔE 5.9Medium turquoise · ΔE 6.9Light seagreen · ΔE 13Turquoise · ΔE 15.4Sky blue · ΔE 20.9Aqua · ΔE 21
Nearest named CSS colourDark turquoise (#00CED1)ΔE 5.92, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D34740
Analogous#40D391, #4082D3
Triadic#D340CC, #CCD340
Split complementary#D34082, #D39040
Tetradic#9140D3, #D34740, #83D340

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E6F8F9
Lighter +30%#BCEDF0
Lighter +20%#93E2E6
Lighter +10%#69D7DD
Darker −10%#2AAFB6
Darker −20%#20878D
Darker −30%#176063
Darker −40%#0D383A
More saturated +25%#23E7F0
Less saturated −25%#5DB1B6

Channel breakdown

R64
G204
B211
Red64 (25.1%)
Green204 (80%)
Blue211 (82.7%)
Hue182.86°
Saturation (HSL)62.55%
Lightness53.92%
Dominant channelBlue
Hex per channelR 40 · G CC · B D3

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Every value on this page was computed from “40ccd3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.