#66A820#66A820

#66A820 is a light, vivid yellow-green. Relative luminance 0.309; OKLCH L 66.2% C 0.174 H 132.9°. Best body text is #000000 at 7.19:1 contrast (WCAG AA passes).

Color values

HEX	#66A820
RGB	rgb(102, 168, 32)
HSL	hsl(89, 68%, 39%)
HSV	hsv(89, 81%, 66%)
CMYK	cmyk(39.3%, 0%, 81%, 34.1%)
CIE-LAB	lab(62.45, -42.04, 57.92)
CIE-LCH	lch(62.45, 71.57, 125.97°)
OKLab	oklab(66.22% -0.1187 0.1276)
OKLCH	oklch(66.22% 0.174 132.9)
XYZ	xyz(19.7426, 30.9334, 6.2967)
Luminance	0.3093 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66A820 #6220A8

analogous

#A8A620 #66A820 #22A820

triadic

#66A820 #2066A8 #A82066

tetradic

#66A820 #20A8A6 #6220A8 #A82022

square

#66A820 #20A8A6 #6220A8 #A82022

split-complementary

#66A820 #2022A8 #A620A8

monochromatic

#28410C #477516 #66A820 #85D72E #A3E161

Accessibility & contrast

On white

2.92

#66A820 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.19

#66A820 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66A820

7.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66A820	#FFFFFF	#000000	##000000
##66A820	1.00	2.92	7.19	7.19
#FFFFFF	2.92	1.00	21.00	21.00
#000000	7.19	21.00	1.00	1.00
##000000	7.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AF9A00

Deuteranopia (green-blind)

#A69530

Tritanopia (blue-blind)

#66A18F

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #66a820;
/* rgb */ color: rgb(102, 168, 32);
/* oklch */ color: oklch(66.2% 0.174 132.9);

Tailwind

colors: {
  custom: {
    50: '#97c268',
    500: '#66a820',
    950: '#000000',
  },
}

SCSS

$custom: #66a820;
$custom-light: #97c268;
$custom-dark: #000000;

JSON

{
  "hex": "#66a820",
  "rgb": {
    "r": 102,
    "g": 168,
    "b": 32
  },
  "hsl": {
    "h": 89.118,
    "s": 68,
    "l": 39.216
  },
  "oklch": {
    "l": 0.66225,
    "c": 0.17428,
    "h": 132.9
  },
  "luminance": 0.30934
}

Semantic roles & 50–950 ramp

primary

#66A820

secondary

#905EC6

accent

#3DEB91

background

#F9FCF6

surface

#F2F8EB

border

#CCD1C6

text

#0E1207

muted

#7E817A

Preview Lab

Preview with #66A820

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

Preview Lab → · Contrast checker → · Palette generator →