#66C52F#66C52F

#66C52F is a light, highly saturated yellow-green. Relative luminance 0.430; OKLCH L 73.7% C 0.202 H 136.8°. Best body text is #000000 at 9.59:1 contrast (WCAG AA passes).

Color values

HEX	#66C52F
RGB	rgb(102, 197, 47)
HSL	hsl(98, 61%, 48%)
HSV	hsv(98, 76%, 77%)
CMYK	cmyk(48.2%, 0%, 76.1%, 22.7%)
CIE-LAB	lab(71.53, -52.88, 61.85)
CIE-LCH	lch(71.53, 81.38, 130.53°)
OKLab	oklab(73.7% -0.1469 0.1381)
OKLCH	oklch(73.7% 0.202 136.8)
XYZ	xyz(25.9581, 42.9607, 9.6132)
Luminance	0.4296 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66C52F #8E2FC5

analogous

#B1C52F #66C52F #2FC543

triadic

#66C52F #2F66C5 #C52F66

tetradic

#66C52F #2FB1C5 #8E2FC5 #C5432F

square

#66C52F #2FB1C5 #8E2FC5 #C5432F

split-complementary

#66C52F #432FC5 #C52FB1

monochromatic

#336217 #4C9423 #66C52F #88D85A #ABE38B

Accessibility & contrast

On white

2.19

#66C52F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.59

#66C52F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66C52F

9.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66C52F	#FFFFFF	#000000	##000000
##66C52F	1.00	2.19	9.59	9.59
#FFFFFF	2.19	1.00	21.00	21.00
#000000	9.59	21.00	1.00	1.00
##000000	9.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CCB408

Deuteranopia (green-blind)

#BFAC3F

Tritanopia (blue-blind)

#61BEA9

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #66c52f;
/* rgb */ color: rgb(102, 197, 47);
/* oklch */ color: oklch(73.7% 0.202 136.8);

Tailwind

colors: {
  custom: {
    50: '#9ad773',
    500: '#66c52f',
    950: '#000000',
  },
}

SCSS

$custom: #66c52f;
$custom-light: #9ad773;
$custom-dark: #000000;

JSON

{
  "hex": "#66c52f",
  "rgb": {
    "r": 102,
    "g": 197,
    "b": 47
  },
  "hsl": {
    "h": 98,
    "s": 61.475,
    "l": 47.843
  },
  "oklch": {
    "l": 0.73697,
    "c": 0.20164,
    "h": 136.8
  },
  "luminance": 0.42963
}

Semantic roles & 50–950 ramp

primary

#66C52F

secondary

#B282CD

accent

#43E5A9

background

#FAFDF7

surface

#F3FAED

border

#CDD3C8

text

#0F1409

muted

#7F837B

Preview Lab

Preview with #66C52F

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

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