#66CD99#66CD99
#66CD99 is a light, vivid green. Relative luminance 0.488; OKLCH L 77.2% C 0.123 H 159.5°. Best body text is #000000 at 10.76:1 contrast (WCAG AA passes).
Color values
| HEX | #66CD99 |
|---|---|
| RGB | rgb(102, 205, 153) |
| HSL | hsl(150, 51%, 60%) |
| HSV | hsv(150, 50%, 80%) |
| CMYK | cmyk(50.2%, 0%, 25.4%, 19.6%) |
| CIE-LAB | lab(75.32, -41.98, 16.87) |
| CIE-LCH | lch(75.32, 45.25, 158.10°) |
| OKLab | oklab(77.24% -0.1155 0.0431) |
| OKLCH | oklch(77.24% 0.123 159.5) |
| XYZ | xyz(33.0579, 48.7846, 37.8051) |
| Luminance | 0.4879 (WCAG relative) |
| Temperature | neutral |
| Family | green |
Closest named colors
Eucalyptus
#44D7A8
ΔE00 4.44
Mediumaquamarine
#66CDAA
ΔE00 4.51
Greenblue
#23C48B
ΔE00 4.96
Seafoam
#7FE0B3
ΔE00 5.33
Greenish Teal
#32BF84
ΔE00 5.41
Emerald
#50C878
ΔE00 6.08
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#66CD99 #CD669A
analogous
#66CD66 #66CD99 #66CDCD
triadic
#66CD99 #9966CD #CD9966
tetradic
#66CD99 #6666CD #CD669A #CDCD66
square
#66CD99 #6666CD #CD669A #CDCD66
split-complementary
#66CD99 #CD66CD #CD6666
monochromatic
#2D8B5C #3DB97A #66CD99 #94DCB8 #C2EBD7
Accessibility & contrast
On white
1.95
#66CD99 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
10.76
#66CD99 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #66CD99
10.76:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##66CD99 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##66CD99 | 1.00 | 1.95 | 10.76 | 10.76 |
| #FFFFFF | 1.95 | 1.00 | 21.00 | 21.00 |
| #000000 | 10.76 | 21.00 | 1.00 | 1.00 |
| ##000000 | 10.76 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#CBC096
Deuteranopia (green-blind)
#BCB59C
Tritanopia (blue-blind)
#47CCBF
Achromatopsia (no color)
#B9B9B9
Design tokens & code
CSS
--color: #66cd99; /* rgb */ color: rgb(102, 205, 153); /* oklch */ color: oklch(77.2% 0.123 159.5);
Tailwind
colors: {
custom: {
50: '#98ddb7',
500: '#66cd99',
950: '#000000',
},
}SCSS
$custom: #66cd99; $custom-light: #98ddb7; $custom-dark: #000000;
JSON
{
"hex": "#66cd99",
"rgb": {
"r": 102,
"g": 205,
"b": 153
},
"hsl": {
"h": 149.709,
"s": 50.739,
"l": 60.196
},
"oklch": {
"l": 0.77241,
"c": 0.12325,
"h": 159.5
},
"luminance": 0.48787
}Semantic roles & 50–950 ramp
primary
#66CD99
secondary
#DBB4C8
accent
#2773BE
background
#F9FDFB
surface
#F2FBF6
border
#CCD4D0
text
#0E1511
muted
#7E8380