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Colour

#64EFD9

  • #64EFD9
  • Cyan
  • Light
  • Nearest: Turquoise

#64EFD9 is a cyan with RGB values 100, 239, 217 and HSL 171°, 81%, 66%. It is a light colour, so black text on it reaches 14.9:1 contrast (AAA for normal text). The nearest named colour is Turquoise.

Colour values

#64EFD9#64EFD9
HEX#64EFD9
RGBrgb(100, 239, 217)
RGB (0–1)0.3922, 0.9373, 0.851
RGB percentages39.2%, 93.7%, 85.1%
HSLhsl(170.5, 81.3%, 66.5%)
HSV / HSBhsv(170.5, 58.2%, 93.7%)
CMYK58.2%, 0%, 9.2%, 6.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,615,001
CSS custom property--colour: #64EFD9;

Brightness & contrast

Relative luminance0.69452WCAG 2.x, 0 is black and 1 is white
Perceived brightness204.7 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 14.89:1
Contrast with white1.41:1WCAG normal text: Fail
Contrast with black14.89:1WCAG normal text: AAA
Greyscale equivalent#D0D0D0
Inverted#9B1026

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#E5E2D8no red cones; affects about 1% of men; ΔE 42.7 from the original
Deuteranopia#D0D3DBno green cones; the most common form, about 1% of men; ΔE 43.5 from the original
Tritanopia#00F3E8no blue cones; rare, and affects men and women equally; ΔE 10.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.41:1WCAG large text: Fail
Contrast with black, large text14.89:1WCAG large text: AAA

Named colours

Turquoise · ΔE 6.5Aquamarine · ΔE 12Medium turquoise · ΔE 13.6Medium aquamarine · ΔE 14.9Aqua · ΔE 15.1Cyan · ΔE 15.1
Nearest named CSS colourTurquoise (#40E0D0)ΔE 6.53, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EF647A
Analogous#64EF93, #64C0EF
Triadic#D964EF, #EFD964
Split complementary#EF64C0, #EF9364
Tetradic#9364EF, #EF647A, #C0EF64

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#EFFDFB
Lighter +20%#C0F9F0
Lighter +10%#92F4E4
Darker −10%#36EACE
Darker −20%#16D7B8
Darker −30%#11A991
Darker −40%#0D7A69
More saturated +25%#54FFE4
Less saturated −25%#79DACA

Channel breakdown

R100
G239
B217
Red100 (39.2%)
Green239 (93.7%)
Blue217 (85.1%)
Hue170.5°
Saturation (HSL)81.29%
Lightness66.47%
Dominant channelGreen
Hex per channelR 64 · G EF · B D9

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Every value on this page was computed from “64efd9” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.