#66A62B#66A62B

#66A62B is a light, vivid yellow-green. Relative luminance 0.303; OKLCH L 65.8% C 0.166 H 133.4°. Best body text is #000000 at 7.05:1 contrast (WCAG AA passes).

Color values

HEX	#66A62B
RGB	rgb(102, 166, 43)
HSL	hsl(91, 59%, 41%)
HSV	hsv(91, 74%, 65%)
CMYK	cmyk(38.6%, 0%, 74.1%, 34.9%)
CIE-LAB	lab(61.89, -40.57, 53.80)
CIE-LCH	lch(61.89, 67.38, 127.02°)
OKLab	oklab(65.78% -0.114 0.1207)
OKLCH	oklch(65.78% 0.166 133.4)
XYZ	xyz(19.5514, 30.2707, 7.0977)
Luminance	0.3027 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66A62B #6B2BA6

analogous

#A3A62B #66A62B #2BA62E

triadic

#66A62B #2B66A6 #A62B66

tetradic

#66A62B #2BA3A6 #6B2BA6 #A62E2B

square

#66A62B #2BA3A6 #6B2BA6 #A62E2B

split-complementary

#66A62B #2E2BA6 #A62BA3

monochromatic

#2A4512 #48751E #66A62B #84CE41 #A4DA71

Accessibility & contrast

On white

2.98

#66A62B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.05

#66A62B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66A62B

7.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66A62B	#FFFFFF	#000000	##000000
##66A62B	1.00	2.98	7.05	7.05
#FFFFFF	2.98	1.00	21.00	21.00
#000000	7.05	21.00	1.00	1.00
##000000	7.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AD9913

Deuteranopia (green-blind)

#A49437

Tritanopia (blue-blind)

#669F8E

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #66a62b;
/* rgb */ color: rgb(102, 166, 43);
/* oklch */ color: oklch(65.8% 0.166 133.4);

Tailwind

colors: {
  custom: {
    50: '#97c16d',
    500: '#66a62b',
    950: '#000000',
  },
}

SCSS

$custom: #66a62b;
$custom-light: #97c16d;
$custom-dark: #000000;

JSON

{
  "hex": "#66a62b",
  "rgb": {
    "r": 102,
    "g": 166,
    "b": 43
  },
  "hsl": {
    "h": 91.22,
    "s": 58.852,
    "l": 40.98
  },
  "oklch": {
    "l": 0.65782,
    "c": 0.16598,
    "h": 133.4
  },
  "luminance": 0.30272
}

Semantic roles & 50–950 ramp

primary

#66A62B

secondary

#986BC1

accent

#46E297

background

#F9FBF6

surface

#F2F7EC

border

#CCD0C7

text

#0E1207

muted

#7E817A

Preview Lab

Preview with #66A62B

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

Preview Lab → · Contrast checker → · Palette generator →