#66F3A6#66F3A6
#66F3A6 is a very light, vivid green. Relative luminance 0.697; OKLCH L 86.7% C 0.164 H 156.4°. Best body text is #000000 at 14.94:1 contrast (WCAG AA passes).
Color values
| HEX | #66F3A6 |
|---|---|
| RGB | rgb(102, 243, 166) |
| HSL | hsl(147, 85%, 68%) |
| HSV | hsv(147, 58%, 95%) |
| CMYK | cmyk(58%, 0%, 31.7%, 4.7%) |
| CIE-LAB | lab(86.84, -55.28, 25.97) |
| CIE-LCH | lch(86.84, 61.07, 154.84°) |
| OKLab | oklab(86.73% -0.1505 0.0656) |
| OKLCH | oklch(86.73% 0.164 156.4) |
| XYZ | xyz(44.4092, 69.6749, 47.1773) |
| Luminance | 0.6968 (WCAG relative) |
| Temperature | neutral |
| Family | green |
Closest named colors
Seafoam Green
#7AF9AB
ΔE00 1.95
Seafoam (survey)
#80F9AD
ΔE00 2.34
Light Greenish Blue
#63F7B4
ΔE00 2.43
Light Blue Green
#7EFBB3
ΔE00 2.52
Light Green Blue
#56FCA2
ΔE00 2.65
Light Bluish Green
#76FDA8
ΔE00 2.67
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#66F3A6 #F366B3
analogous
#6CF366 #66F3A6 #66F3ED
triadic
#66F3A6 #A666F3 #F3A666
tetradic
#66F3A6 #666CF3 #F366B3 #F3ED66
square
#66F3A6 #666CF3 #F366B3 #F3ED66
split-complementary
#66F3A6 #ED66F3 #F3666C
monochromatic
#10CE67 #2DEF85 #66F3A6 #9FF7C7 #D7FCE8
Accessibility & contrast
On white
1.41
#66F3A6 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
14.94
#66F3A6 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #66F3A6
14.94:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##66F3A6 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##66F3A6 | 1.00 | 1.41 | 14.94 | 14.94 |
| #FFFFFF | 1.41 | 1.00 | 21.00 | 21.00 |
| #000000 | 14.94 | 21.00 | 1.00 | 1.00 |
| ##000000 | 14.94 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#F2E2A1
Deuteranopia (green-blind)
#DED4AB
Tritanopia (blue-blind)
#30F1DF
Achromatopsia (no color)
#D9D9D9
Design tokens & code
CSS
--color: #66f3a6; /* rgb */ color: rgb(102, 243, 166); /* oklch */ color: oklch(86.7% 0.164 156.4);
Tailwind
colors: {
custom: {
50: '#9df8c0',
500: '#66f3a6',
950: '#000000',
},
}SCSS
$custom: #66f3a6; $custom-light: #9df8c0; $custom-dark: #000000;
JSON
{
"hex": "#66f3a6",
"rgb": {
"r": 102,
"g": 243,
"b": 166
},
"hsl": {
"h": 147.234,
"s": 85.455,
"l": 67.647
},
"oklch": {
"l": 0.86732,
"c": 0.16417,
"h": 156.4
},
"luminance": 0.69679
}Semantic roles & 50–950 ramp
primary
#66F3A6
secondary
#CA3386
accent
#047DE2
background
#FCFFFD
surface
#F6FFF9
border
#D0D7D2
text
#0F1712
muted
#808582