#66CFDB#66CFDB
#66CFDB is a light, moderate teal. Relative luminance 0.526; OKLCH L 79.7% C 0.098 H 205.3°. Best body text is #000000 at 11.51:1 contrast (WCAG AA passes).
Color values
| HEX | #66CFDB |
|---|---|
| RGB | rgb(102, 207, 219) |
| HSL | hsl(186, 62%, 63%) |
| HSV | hsv(186, 53%, 86%) |
| CMYK | cmyk(53.4%, 5.5%, 0%, 14.1%) |
| CIE-LAB | lab(77.62, -27.04, -15.23) |
| CIE-LCH | lch(77.62, 31.03, 209.40°) |
| OKLab | oklab(79.67% -0.0889 -0.0421) |
| OKLCH | oklch(79.67% 0.098 205.3) |
| XYZ | xyz(40.5733, 52.5611, 75.0112) |
| Luminance | 0.5256 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Aqua Blue
#02D8E9
ΔE00 4.49
Darkturquoise
#00CED1
ΔE00 6.25
Robin'S Egg
#6DEDFD
ΔE00 6.94
Mediumturquoise
#48D1CC
ΔE00 7.15
Neon Blue
#04D9FF
ΔE00 7.54
Robin Egg Blue
#8AF1FE
ΔE00 8.00
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#66CFDB #DB7266
analogous
#66DBAC #66CFDB #6694DB
triadic
#66CFDB #DB66CF #CFDB66
tetradic
#66CFDB #AC66DB #DB7266 #94DB66
square
#66CFDB #AC66DB #DB7266 #94DB66
split-complementary
#66CFDB #DB6694 #DBAC66
monochromatic
#2694A1 #34BFCF #66CFDB #98DFE7 #C9EEF2
Accessibility & contrast
On white
1.82
#66CFDB on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
11.51
#66CFDB on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #66CFDB
11.51:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##66CFDB | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##66CFDB | 1.00 | 1.82 | 11.51 | 11.51 |
| #FFFFFF | 1.82 | 1.00 | 21.00 | 21.00 |
| #000000 | 11.51 | 21.00 | 1.00 | 1.00 |
| ##000000 | 11.51 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#C1C8DC
Deuteranopia (green-blind)
#AEBADB
Tritanopia (blue-blind)
#00D6D2
Achromatopsia (no color)
#C0C0C0
Design tokens & code
CSS
--color: #66cfdb; /* rgb */ color: rgb(102, 207, 219); /* oklch */ color: oklch(79.7% 0.098 205.3);
Tailwind
colors: {
custom: {
50: '#9bdee6',
500: '#66cfdb',
950: '#000000',
},
}SCSS
$custom: #66cfdb; $custom-light: #9bdee6; $custom-dark: #000000;
JSON
{
"hex": "#66cfdb",
"rgb": {
"r": 102,
"g": 207,
"b": 219
},
"hsl": {
"h": 186.154,
"s": 61.905,
"l": 62.941
},
"oklch": {
"l": 0.79667,
"c": 0.09835,
"h": 205.3
},
"luminance": 0.52565
}Semantic roles & 50–950 ramp
primary
#66CFDB
secondary
#A44B41
accent
#2E1CCA
background
#FCFEFE
surface
#F5FCFC
border
#CFD5D5
text
#0F1515
muted
#808484