#66A129#66A129

#66A129 is a light, vivid yellow-green. Relative luminance 0.285; OKLCH L 64.5% C 0.161 H 132.5°. Best body text is #000000 at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#66A129
RGB	rgb(102, 161, 41)
HSL	hsl(90, 59%, 40%)
HSV	hsv(90, 75%, 63%)
CMYK	cmyk(36.6%, 0%, 74.5%, 36.9%)
CIE-LAB	lab(60.31, -38.53, 52.96)
CIE-LCH	lch(60.31, 65.49, 126.03°)
OKLab	oklab(64.49% -0.1086 0.1186)
OKLCH	oklch(64.49% 0.161 132.5)
XYZ	xyz(18.6244, 28.4738, 6.6121)
Luminance	0.2848 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66A129 #6429A1

analogous

#A1A029 #66A129 #2AA129

triadic

#66A129 #2966A1 #A12966

tetradic

#66A129 #29A1A0 #6429A1 #A1292A

square

#66A129 #29A1A0 #6429A1 #A1292A

split-complementary

#66A129 #292AA1 #A029A1

monochromatic

#283F10 #47701D #66A129 #85CD3A #A3D96B

Accessibility & contrast

On white

3.14

#66A129 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.69

#66A129 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #66A129

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66A129	#FFFFFF	#000000	##000000
##66A129	1.00	3.14	6.69	6.69
#FFFFFF	3.14	1.00	21.00	21.00
#000000	6.69	21.00	1.00	1.00
##000000	6.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A89411

Deuteranopia (green-blind)

#A09035

Tritanopia (blue-blind)

#679A8A

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #66a129;
/* rgb */ color: rgb(102, 161, 41);
/* oklch */ color: oklch(64.5% 0.161 132.5);

Tailwind

colors: {
  custom: {
    50: '#96bd6b',
    500: '#66a129',
    950: '#000000',
  },
}

SCSS

$custom: #66a129;
$custom-light: #96bd6b;
$custom-dark: #000000;

JSON

{
  "hex": "#66a129",
  "rgb": {
    "r": 102,
    "g": 161,
    "b": 41
  },
  "hsl": {
    "h": 89.5,
    "s": 59.406,
    "l": 39.608
  },
  "oklch": {
    "l": 0.64493,
    "c": 0.16082,
    "h": 132.5
  },
  "luminance": 0.28475
}

Semantic roles & 50–950 ramp

primary

#66A129

secondary

#9266C0

accent

#45E393

background

#F9FBF6

surface

#F2F6EC

border

#CCD0C7

text

#0E1207

muted

#7E817A

Preview Lab

Preview with #66A129

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

Preview Lab → · Contrast checker → · Palette generator →