#66B751#66B751

#66B751 is a light, vivid green. Relative luminance 0.373; OKLCH L 70.5% C 0.160 H 139.5°. Best body text is #000000 at 8.46:1 contrast (WCAG AA passes).

Color values

HEX	#66B751
RGB	rgb(102, 183, 81)
HSL	hsl(108, 41%, 52%)
HSV	hsv(108, 56%, 72%)
CMYK	cmyk(44.3%, 0%, 55.7%, 28.2%)
CIE-LAB	lab(67.49, -44.29, 43.68)
CIE-LCH	lch(67.49, 62.21, 135.40°)
OKLab	oklab(70.47% -0.1214 0.1036)
OKLCH	oklch(70.47% 0.16 139.5)
XYZ	xyz(23.8973, 37.2843, 13.7204)
Luminance	0.3729 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66B751 #A251B7

analogous

#99B751 #66B751 #51B76F

triadic

#66B751 #5166B7 #B75166

tetradic

#66B751 #5199B7 #A251B7 #B76F51

square

#66B751 #5199B7 #A251B7 #B76F51

split-complementary

#66B751 #6F51B7 #B75199

monochromatic

#366429 #4D8F3B #66B751 #8CC97C #B2DBA8

Accessibility & contrast

On white

2.48

#66B751 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.46

#66B751 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66B751

8.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66B751	#FFFFFF	#000000	##000000
##66B751	1.00	2.48	8.46	8.46
#FFFFFF	2.48	1.00	21.00	21.00
#000000	8.46	21.00	1.00	1.00
##000000	8.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BCA947

Deuteranopia (green-blind)

#B1A258

Tritanopia (blue-blind)

#60B2A0

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #66b751;
/* rgb */ color: rgb(102, 183, 81);
/* oklch */ color: oklch(70.5% 0.160 139.5);

Tailwind

colors: {
  custom: {
    50: '#97cd85',
    500: '#66b751',
    950: '#000000',
  },
}

SCSS

$custom: #66b751;
$custom-light: #97cd85;
$custom-dark: #000000;

JSON

{
  "hex": "#66b751",
  "rgb": {
    "r": 102,
    "g": 183,
    "b": 81
  },
  "hsl": {
    "h": 107.647,
    "s": 41.463,
    "l": 51.765
  },
  "oklch": {
    "l": 0.70473,
    "c": 0.15961,
    "h": 139.5
  },
  "luminance": 0.37286
}

Semantic roles & 50–950 ramp

primary

#66B751

secondary

#BF9CC8

accent

#57D1B8

background

#F9FCF8

surface

#F2F9EF

border

#CCD2CA

text

#0E130B

muted

#7E827C

Preview Lab

Preview with #66B751

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →