Nerdulator> put something in

Recognised as Colour

#66F2DF

  • #66F2DF
  • Cyan
  • Light
  • Nearest: Turquoise

#66F2DF is a cyan with RGB values 102, 242, 223 and HSL 172°, 84%, 67%. It is a light colour, so black text on it reaches 15.3:1 contrast (AAA for normal text). The nearest named colour is Turquoise.

Colour values

#66F2DF#66F2DF
HEX#66F2DF
RGBrgb(102, 242, 223)
RGB (0–1)0.4, 0.949, 0.8745
RGB percentages40%, 94.9%, 87.5%
HSLhsl(171.9, 84.3%, 67.5%)
HSV / HSBhsv(171.9, 57.9%, 94.9%)
CMYK57.9%, 0%, 7.9%, 5.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,746,847
CSS custom property--colour: #66F2DF;

Brightness & contrast

Relative luminance0.71657WCAG 2.x, 0 is black and 1 is white
Perceived brightness207.7 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 15.33:1
Contrast with white1.37:1WCAG normal text: Fail
Contrast with black15.33:1WCAG normal text: AAA
Greyscale equivalent#D3D3D3
Inverted#990D20

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#E8E5DEno red cones; affects about 1% of men; ΔE 42.7 from the original
Deuteranopia#D2D6E1no green cones; the most common form, about 1% of men; ΔE 43.2 from the original
Tritanopia#00F6ECno blue cones; rare, and affects men and women equally; ΔE 9.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.37:1WCAG large text: Fail
Contrast with black, large text15.33:1WCAG large text: AAA

Named colours

Turquoise · ΔE 7Aquamarine · ΔE 13.1Medium turquoise · ΔE 13.5Aqua · ΔE 13.6Cyan · ΔE 13.6Medium aquamarine · ΔE 16.5
Nearest named CSS colourTurquoise (#40E0D0)ΔE 7, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F26679
Analogous#66F299, #66BFF2
Triadic#DF66F2, #F2DF66
Split complementary#F266BF, #F29966
Tetradic#9966F2, #F26679, #BFF266

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#F3FEFC
Lighter +20%#C4FAF3
Lighter +10%#95F6E9
Darker −10%#37EED5
Darker −20%#13DFC3
Darker −30%#0FB09A
Darker −40%#0B8171
More saturated +25%#59FFE8
Less saturated −25%#7BDDD0

Channel breakdown

R102
G242
B223
Red102 (40%)
Green242 (94.9%)
Blue223 (87.5%)
Hue171.86°
Saturation (HSL)84.34%
Lightness67.45%
Dominant channelGreen
Hex per channelR 66 · G F2 · B DF

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 “66f2df” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.