Nerdulator> put something in

Colour

#66EDDD

  • #66EDDD
  • Cyan
  • Light
  • Nearest: Turquoise

#66EDDD is a cyan with RGB values 102, 237, 221 and HSL 173°, 79%, 66%. It is a light colour, so black text on it reaches 14.7:1 contrast (AAA for normal text). The nearest named colour is Turquoise.

Colour values

#66EDDD#66EDDD
HEX#66EDDD
RGBrgb(102, 237, 221)
RGB (0–1)0.4, 0.9294, 0.8667
RGB percentages40%, 92.9%, 86.7%
HSLhsl(172.9, 78.9%, 66.5%)
HSV / HSBhsv(172.9, 57%, 92.9%)
CMYK57%, 0%, 6.8%, 7.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,745,565
CSS custom property--colour: #66EDDD;

Brightness & contrast

Relative luminance0.68614WCAG 2.x, 0 is black and 1 is white
Perceived brightness204.1 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 14.72:1
Contrast with white1.43:1WCAG normal text: Fail
Contrast with black14.72:1WCAG normal text: AAA
Greyscale equivalent#CFCFCF
Inverted#991222

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#E2E1DDno red cones; affects about 1% of men; ΔE 40.7 from the original
Deuteranopia#CDD1DFno green cones; the most common form, about 1% of men; ΔE 42.2 from the original
Tritanopia#00F2E8no blue cones; rare, and affects men and women equally; ΔE 10.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.43:1WCAG large text: Fail
Contrast with black, large text14.72:1WCAG large text: AAA

Named colours

Turquoise · ΔE 6.2Medium turquoise · ΔE 11.1Aqua · ΔE 14Cyan · ΔE 14Dark turquoise · ΔE 15Aquamarine · ΔE 15.1
Nearest named CSS colourTurquoise (#40E0D0)ΔE 6.17, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#ED6676
Analogous#66ED9A, #66B9ED
Triadic#DD66ED, #EDDD66
Split complementary#ED66B9, #ED9A66
Tetradic#9A66ED, #ED6676, #B9ED66

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#EFFDFB
Lighter +20%#C1F8F1
Lighter +10%#94F2E7
Darker −10%#38E8D3
Darker −20%#19D4BE
Darker −30%#14A695
Darker −40%#0E796C
More saturated +25%#54FFEB
Less saturated −25%#7BD8CD

Channel breakdown

R102
G237
B221
Red102 (40%)
Green237 (92.9%)
Blue221 (86.7%)
Hue172.89°
Saturation (HSL)78.95%
Lightness66.47%
Dominant channelGreen
Hex per channelR 66 · G ED · B DD

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 “66eddd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.