Colour
#66FCE6
- #66FCE6
- Cyan
- Light
- Nearest: Turquoise
#66FCE6 is a cyan with RGB values 102, 252, 230 and HSL 171°, 96%, 69%. It is a light colour, so black text on it reaches 16.6:1 contrast (AAA for normal text). The nearest named colour is Turquoise.
Colour values
#66FCE6#66FCE6
HEX#66FCE6
RGBrgb(102, 252, 230)
RGB (0–1)0.4, 0.9882, 0.902
RGB percentages40%, 98.8%, 90.2%
HSLhsl(171.2, 96.2%, 69.4%)
HSV / HSBhsv(171.2, 59.5%, 98.8%)
CMYK59.5%, 0%, 8.7%, 1.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,749,414
CSS custom property--colour: #66FCE6;
Brightness & contrast
Relative luminance0.78159WCAG 2.x, 0 is black and 1 is white
Perceived brightness215.4 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 16.63:1
Contrast with white1.26:1WCAG normal text: Fail
Contrast with black16.63:1WCAG normal text: AAA
Greyscale equivalent#DBDBDB
Inverted#990319
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.26:1WCAG large text: Fail
Contrast with black, large text16.63:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#FC667C
Analogous#66FC9B, #66C7FC
Triadic#E666FC, #FCE666
Split complementary#FC66C7, #FC9B66
Tetradic#9B66FC, #FC667C, #C7FC66
Tints, shades & saturation
Channel breakdown
R102
G252
B230
Red102 (40%)
Green252 (98.8%)
Blue230 (90.2%)
Hue171.2°
Saturation (HSL)96.15%
Lightness69.41%
Dominant channelGreen
Hex per channelR 66 · G FC · B E6
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