#66A034#66A034

#66A034 is a light, vivid yellow-green. Relative luminance 0.282; OKLCH L 64.3% C 0.152 H 133.3°. Best body text is #000000 at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#66A034
RGB	rgb(102, 160, 52)
HSL	hsl(92, 51%, 42%)
HSV	hsv(92, 68%, 63%)
CMYK	cmyk(36.2%, 0%, 67.5%, 37.3%)
CIE-LAB	lab(60.08, -37.29, 48.43)
CIE-LCH	lch(60.08, 61.12, 127.59°)
OKLab	oklab(64.33% -0.1044 0.1107)
OKLCH	oklch(64.33% 0.152 133.3)
XYZ	xyz(18.6698, 28.2135, 7.7102)
Luminance	0.2821 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66A034 #6E34A0

analogous

#9CA034 #66A034 #34A038

triadic

#66A034 #3466A0 #A03466

tetradic

#66A034 #349CA0 #6E34A0 #A03834

square

#66A034 #349CA0 #6E34A0 #A03834

split-complementary

#66A034 #3834A0 #A0349C

monochromatic

#2B4416 #497225 #66A034 #84C54C #A4D47A

Accessibility & contrast

On white

3.16

#66A034 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.64

#66A034 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #66A034

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66A034	#FFFFFF	#000000	##000000
##66A034	1.00	3.16	6.64	6.64
#FFFFFF	3.16	1.00	21.00	21.00
#000000	6.64	21.00	1.00	1.00
##000000	6.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A69425

Deuteranopia (green-blind)

#9E8F3D

Tritanopia (blue-blind)

#669A8A

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #66a034;
/* rgb */ color: rgb(102, 160, 52);
/* oklch */ color: oklch(64.3% 0.152 133.3);

Tailwind

colors: {
  custom: {
    50: '#96bc71',
    500: '#66a034',
    950: '#000000',
  },
}

SCSS

$custom: #66a034;
$custom-light: #96bc71;
$custom-dark: #000000;

JSON

{
  "hex": "#66a034",
  "rgb": {
    "r": 102,
    "g": 160,
    "b": 52
  },
  "hsl": {
    "h": 92.222,
    "s": 50.943,
    "l": 41.569
  },
  "oklch": {
    "l": 0.64328,
    "c": 0.15214,
    "h": 133.3
  },
  "luminance": 0.28214
}

Semantic roles & 50–950 ramp

primary

#66A034

secondary

#9B73BD

accent

#4DDA99

background

#F9FBF7

surface

#F2F6ED

border

#CCD0C8

text

#0E1208

muted

#7E817B

Preview Lab

Preview with #66A034

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

Preview Lab → · Contrast checker → · Palette generator →