#66BF2E#66BF2E

#66BF2E is a light, vivid yellow-green. Relative luminance 0.403; OKLCH L 72.2% C 0.195 H 136.3°. Best body text is #000000 at 9.06:1 contrast (WCAG AA passes).

Color values

HEX	#66BF2E
RGB	rgb(102, 191, 46)
HSL	hsl(97, 61%, 46%)
HSV	hsv(97, 76%, 75%)
CMYK	cmyk(46.6%, 0%, 75.9%, 25.1%)
CIE-LAB	lab(69.67, -50.61, 60.38)
CIE-LCH	lch(69.67, 78.79, 129.97°)
OKLab	oklab(72.17% -0.1409 0.1349)
OKLCH	oklch(72.17% 0.195 136.3)
XYZ	xyz(24.6028, 40.2821, 9.0631)
Luminance	0.4028 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66BF2E #872EBF

analogous

#AFBF2E #66BF2E #2EBF3F

triadic

#66BF2E #2E66BF #BF2E66

tetradic

#66BF2E #2EAFBF #872EBF #BF3F2E

square

#66BF2E #2EAFBF #872EBF #BF3F2E

split-complementary

#66BF2E #3F2EBF #BF2EAF

monochromatic

#315C16 #4C8E22 #66BF2E #86D654 #A9E286

Accessibility & contrast

On white

2.32

#66BF2E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.06

#66BF2E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66BF2E

9.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66BF2E	#FFFFFF	#000000	##000000
##66BF2E	1.00	2.32	9.06	9.06
#FFFFFF	2.32	1.00	21.00	21.00
#000000	9.06	21.00	1.00	1.00
##000000	9.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6AF0A

Deuteranopia (green-blind)

#BAA73D

Tritanopia (blue-blind)

#62B8A4

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #66bf2e;
/* rgb */ color: rgb(102, 191, 46);
/* oklch */ color: oklch(72.2% 0.195 136.3);

Tailwind

colors: {
  custom: {
    50: '#99d371',
    500: '#66bf2e',
    950: '#000000',
  },
}

SCSS

$custom: #66bf2e;
$custom-light: #99d371;
$custom-dark: #000000;

JSON

{
  "hex": "#66bf2e",
  "rgb": {
    "r": 102,
    "g": 191,
    "b": 46
  },
  "hsl": {
    "h": 96.828,
    "s": 61.181,
    "l": 46.471
  },
  "oklch": {
    "l": 0.72168,
    "c": 0.19505,
    "h": 136.3
  },
  "luminance": 0.40284
}

Semantic roles & 50–950 ramp

primary

#66BF2E

secondary

#AD7ECB

accent

#44E4A6

background

#F9FDF7

surface

#F2FAED

border

#CCD3C8

text

#0F1408

muted

#7E837B

Preview Lab

Preview with #66BF2E

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

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