#66D32F#66D32F

#66D32F is a light, highly saturated yellow-green. Relative luminance 0.496; OKLCH L 77.2% C 0.218 H 137.7°. Best body text is #000000 at 10.92:1 contrast (WCAG AA passes).

Color values

HEX	#66D32F
RGB	rgb(102, 211, 47)
HSL	hsl(100, 65%, 51%)
HSV	hsv(100, 78%, 83%)
CMYK	cmyk(51.7%, 0%, 77.7%, 17.3%)
CIE-LAB	lab(75.83, -58.12, 65.97)
CIE-LCH	lch(75.83, 87.93, 131.38°)
OKLab	oklab(77.24% -0.161 0.1467)
OKLCH	oklch(77.24% 0.218 137.7)
XYZ	xyz(29.2859, 49.6163, 10.7225)
Luminance	0.4962 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D32F #9C2FD3

analogous

#B8D32F #66D32F #2FD34A

triadic

#66D32F #2F66D3 #D32F66

tetradic

#66D32F #2FB8D3 #9C2FD3 #D34A2F

square

#66D32F #2FB8D3 #9C2FD3 #D34A2F

split-complementary

#66D32F #4A2FD3 #D32FB8

monochromatic

#357018 #4DA222 #66D32F #8BDE62 #B0E894

Accessibility & contrast

On white

1.92

#66D32F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.92

#66D32F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D32F

10.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D32F	#FFFFFF	#000000	##000000
##66D32F	1.00	1.92	10.92	10.92
#FFFFFF	1.92	1.00	21.00	21.00
#000000	10.92	21.00	1.00	1.00
##000000	10.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DAC100

Deuteranopia (green-blind)

#CCB842

Tritanopia (blue-blind)

#5ECBB5

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #66d32f;
/* rgb */ color: rgb(102, 211, 47);
/* oklch */ color: oklch(77.2% 0.218 137.7);

Tailwind

colors: {
  custom: {
    50: '#9ce174',
    500: '#66d32f',
    950: '#000000',
  },
}

SCSS

$custom: #66d32f;
$custom-light: #9ce174;
$custom-dark: #000000;

JSON

{
  "hex": "#66d32f",
  "rgb": {
    "r": 102,
    "g": 211,
    "b": 47
  },
  "hsl": {
    "h": 99.878,
    "s": 65.079,
    "l": 50.588
  },
  "oklch": {
    "l": 0.7724,
    "c": 0.21785,
    "h": 137.7
  },
  "luminance": 0.49619
}

Semantic roles & 50–950 ramp

primary

#66D32F

secondary

#BB8AD3

accent

#40E8B0

background

#FAFDF7

surface

#F4FBED

border

#CED4C8

text

#0F1509

muted

#7F837B

Preview Lab

Preview with #66D32F

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

Preview Lab → · Contrast checker → · Palette generator →