#66A243#66A243

#66A243 is a light, vivid yellow-green. Relative luminance 0.291; OKLCH L 65.0% C 0.143 H 135.5°. Best body text is #000000 at 6.81:1 contrast (WCAG AA passes).

Color values

HEX	#66A243
RGB	rgb(102, 162, 67)
HSL	hsl(98, 41%, 45%)
HSV	hsv(98, 59%, 64%)
CMYK	cmyk(37%, 0%, 58.6%, 36.5%)
CIE-LAB	lab(60.84, -36.77, 42.56)
CIE-LCH	lch(60.84, 56.24, 130.82°)
OKLab	oklab(65% -0.1018 0.0999)
OKLCH	oklch(65% 0.143 135.5)
XYZ	xyz(19.4125, 29.0698, 9.8973)
Luminance	0.2907 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66A243 #7F43A2

analogous

#95A243 #66A243 #43A250

triadic

#66A243 #4366A2 #A24366

tetradic

#66A243 #4395A2 #7F43A2 #A25043

square

#66A243 #4395A2 #7F43A2 #A25043

split-complementary

#66A243 #5043A2 #A24395

monochromatic

#2F4B1F #4B7731 #66A243 #85BF64 #A7D18F

Accessibility & contrast

On white

3.08

#66A243 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.81

#66A243 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #66A243

6.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66A243	#FFFFFF	#000000	##000000
##66A243	1.00	3.08	6.81	6.81
#FFFFFF	3.08	1.00	21.00	21.00
#000000	6.81	21.00	1.00	1.00
##000000	6.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A89639

Deuteranopia (green-blind)

#9F914A

Tritanopia (blue-blind)

#659C8D

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #66a243;
/* rgb */ color: rgb(102, 162, 67);
/* oklch */ color: oklch(65.0% 0.143 135.5);

Tailwind

colors: {
  custom: {
    50: '#95be7a',
    500: '#66a243',
    950: '#000000',
  },
}

SCSS

$custom: #66a243;
$custom-light: #95be7a;
$custom-dark: #000000;

JSON

{
  "hex": "#66a243",
  "rgb": {
    "r": 102,
    "g": 162,
    "b": 67
  },
  "hsl": {
    "h": 97.895,
    "s": 41.485,
    "l": 44.902
  },
  "oklch": {
    "l": 0.64995,
    "c": 0.14264,
    "h": 135.5
  },
  "luminance": 0.29071
}

Semantic roles & 50–950 ramp

primary

#66A243

secondary

#A885BC

accent

#56D1A4

background

#F9FBF7

surface

#F2F7EE

border

#CCD0C9

text

#0E1209

muted

#7E817B

Preview Lab

Preview with #66A243

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

Preview Lab → · Contrast checker → · Palette generator →