#66B82F#66B82F

#66B82F is a light, vivid yellow-green. Relative luminance 0.373; OKLCH L 70.4% C 0.186 H 135.7°. Best body text is #000000 at 8.46:1 contrast (WCAG AA passes).

Color values

HEX	#66B82F
RGB	rgb(102, 184, 47)
HSL	hsl(96, 59%, 45%)
HSV	hsv(96, 74%, 72%)
CMYK	cmyk(44.6%, 0%, 74.5%, 27.8%)
CIE-LAB	lab(67.51, -47.78, 57.93)
CIE-LCH	lch(67.51, 75.09, 129.51°)
OKLab	oklab(70.4% -0.1332 0.1299)
OKLCH	oklch(70.4% 0.186 135.7)
XYZ	xyz(23.1325, 37.3096, 8.6713)
Luminance	0.3731 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66B82F #812FB8

analogous

#ABB82F #66B82F #2FB83C

triadic

#66B82F #2F66B8 #B82F66

tetradic

#66B82F #2FABB8 #812FB8 #B83C2F

square

#66B82F #2FABB8 #812FB8 #B83C2F

split-complementary

#66B82F #3C2FB8 #B82FAB

monochromatic

#305716 #4B8723 #66B82F #85D352 #A8DF82

Accessibility & contrast

On white

2.48

#66B82F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.46

#66B82F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66B82F

8.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66B82F	#FFFFFF	#000000	##000000
##66B82F	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)

#BFA913

Deuteranopia (green-blind)

#B4A23D

Tritanopia (blue-blind)

#63B19E

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #66b82f;
/* rgb */ color: rgb(102, 184, 47);
/* oklch */ color: oklch(70.4% 0.186 135.7);

Tailwind

colors: {
  custom: {
    50: '#99ce71',
    500: '#66b82f',
    950: '#000000',
  },
}

SCSS

$custom: #66b82f;
$custom-light: #99ce71;
$custom-dark: #000000;

JSON

{
  "hex": "#66b82f",
  "rgb": {
    "r": 102,
    "g": 184,
    "b": 47
  },
  "hsl": {
    "h": 95.912,
    "s": 59.307,
    "l": 45.294
  },
  "oklch": {
    "l": 0.70395,
    "c": 0.18605,
    "h": 135.7
  },
  "luminance": 0.37311
}

Semantic roles & 50–950 ramp

primary

#66B82F

secondary

#A97BC8

accent

#45E2A3

background

#F9FCF7

surface

#F2F9ED

border

#CCD2C8

text

#0E1308

muted

#7E827B

Preview Lab

Preview with #66B82F

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

Preview Lab → · Contrast checker → · Palette generator →