#66B236#66B236
#66B236 is a light, vivid yellow-green. Relative luminance 0.349; OKLCH L 68.9% C 0.174 H 135.7°. Best body text is #000000 at 7.99:1 contrast (WCAG AA passes).
Color values
| HEX | #66B236 |
|---|---|
| RGB | rgb(102, 178, 54) |
| HSL | hsl(97, 53%, 45%) |
| HSV | hsv(97, 70%, 70%) |
| CMYK | cmyk(42.7%, 0%, 69.7%, 30.2%) |
| CIE-LAB | lab(65.69, -44.83, 53.51) |
| CIE-LCH | lch(65.69, 69.81, 129.96°) |
| OKLab | oklab(68.92% -0.1247 0.1216) |
| OKLCH | oklch(68.92% 0.174 135.7) |
| XYZ | xyz(22.0652, 34.9307, 9.0689) |
| Luminance | 0.3493 (WCAG relative) |
| Temperature | warm |
| Family | yellow-green |
Closest named colors
Nasty Green
#70B23F
ΔE00 1.42
Grass
#5CAC2D
ΔE00 2.02
Leafy Green
#51B73B
ΔE00 3.02
Leaf
#71AA34
ΔE00 3.02
Turtle Green
#75B84F
ΔE00 3.22
Kermit Green
#5CB200
ΔE00 3.28
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#66B236 #8236B2
analogous
#A4B236 #66B236 #36B244
triadic
#66B236 #3666B2 #B23666
tetradic
#66B236 #36A4B2 #8236B2 #B24436
square
#66B236 #36A4B2 #8236B2 #B24436
split-complementary
#66B236 #4436B2 #B236A4
monochromatic
#30541A #4B8328 #66B236 #86CD59 #A8DB88
Accessibility & contrast
On white
2.63
#66B236 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.99
#66B236 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #66B236
7.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##66B236 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##66B236 | 1.00 | 2.63 | 7.99 | 7.99 |
| #FFFFFF | 2.63 | 1.00 | 21.00 | 21.00 |
| #000000 | 7.99 | 21.00 | 1.00 | 1.00 |
| ##000000 | 7.99 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#B8A423
Deuteranopia (green-blind)
#AE9D41
Tritanopia (blue-blind)
#63AB99
Achromatopsia (no color)
#A0A0A0
Design tokens & code
CSS
--color: #66b236; /* rgb */ color: rgb(102, 178, 54); /* oklch */ color: oklch(68.9% 0.174 135.7);
Tailwind
colors: {
custom: {
50: '#98c974',
500: '#66b236',
950: '#000000',
},
}SCSS
$custom: #66b236; $custom-light: #98c974; $custom-dark: #000000;
JSON
{
"hex": "#66b236",
"rgb": {
"r": 102,
"g": 178,
"b": 54
},
"hsl": {
"h": 96.774,
"s": 53.448,
"l": 45.49
},
"oklch": {
"l": 0.68923,
"c": 0.17422,
"h": 135.7
},
"luminance": 0.34932
}Semantic roles & 50–950 ramp
primary
#66B236
secondary
#AA7FC5
accent
#4BDDA4
background
#F9FCF7
surface
#F2F8ED
border
#CCD1C8
text
#0E1309
muted
#7E827B