Nerdulator> put something in

Colour

#66FFDA

  • #66FFDA
  • Cyan
  • Light
  • Nearest: Aquamarine

#66FFDA is a cyan with RGB values 102, 255, 218 and HSL 165°, 100%, 70%. It is a light colour, so black text on it reaches 16.9:1 contrast (AAA for normal text). The nearest named colour is Aquamarine.

Colour values

#66FFDA#66FFDA
HEX#66FFDA
RGBrgb(102, 255, 218)
RGB (0–1)0.4, 1, 0.8549
RGB percentages40%, 100%, 85.5%
HSLhsl(165.5, 100%, 70%)
HSV / HSBhsv(165.5, 60%, 100%)
CMYK60%, 0%, 14.5%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,750,170
CSS custom property--colour: #66FFDA;

Brightness & contrast

Relative luminance0.79407WCAG 2.x, 0 is black and 1 is white
Perceived brightness216.1 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 16.88:1
Contrast with white1.24:1WCAG normal text: Fail
Contrast with black16.88:1WCAG normal text: AAA
Greyscale equivalent#DCDCDC
Inverted#990025

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#F7F0D8no red cones; affects about 1% of men; ΔE 48.2 from the original
Deuteranopia#E1E0DDno green cones; the most common form, about 1% of men; ΔE 49.2 from the original
Tritanopia#00FFF4no blue cones; rare, and affects men and women equally; ΔE 14.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.24:1WCAG large text: Fail
Contrast with black, large text16.88:1WCAG large text: AAA

Named colours

Aquamarine · ΔE 5.5Turquoise · ΔE 14.9Medium aquamarine · ΔE 19.3Aqua · ΔE 19.8Cyan · ΔE 19.8Medium turquoise · ΔE 23.4
Nearest named CSS colourAquamarine (#7FFFD4)ΔE 5.51, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF668B
Analogous#66FF8E, #66D7FF
Triadic#DA66FF, #FFDA66
Split complementary#FF66D7, #FF8E66
Tetradic#8E66FF, #FF668B, #D7FF66

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#CCFFF3
Lighter +10%#99FFE6
Darker −10%#33FFCE
Darker −20%#00FFC1
Darker −30%#00CC9B
Darker −40%#009974
More saturated +25%#66FFDA
Less saturated −25%#79ECD0

Channel breakdown

R102
G255
B218
Red102 (40%)
Green255 (100%)
Blue218 (85.5%)
Hue165.49°
Saturation (HSL)100%
Lightness70%
Dominant channelGreen
Hex per channelR 66 · G FF · B DA

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “66ffda” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.