#66BE25#66BE25

#66BE25 is a light, vivid yellow-green. Relative luminance 0.398; OKLCH L 71.9% C 0.198 H 135.6°. Best body text is #000000 at 8.96:1 contrast (WCAG AA passes).

Color values

HEX	#66BE25
RGB	rgb(102, 190, 37)
HSL	hsl(95, 67%, 45%)
HSV	hsv(95, 81%, 75%)
CMYK	cmyk(46.3%, 0%, 80.5%, 25.5%)
CIE-LAB	lab(69.32, -50.72, 62.80)
CIE-LCH	lch(69.32, 80.72, 128.93°)
OKLab	oklab(71.86% -0.1417 0.1386)
OKLCH	oklch(71.86% 0.198 135.6)
XYZ	xyz(24.2263, 39.7837, 8.1524)
Luminance	0.3978 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66BE25 #7D25BE

analogous

#B3BE25 #66BE25 #25BE31

triadic

#66BE25 #2566BE #BE2566

tetradic

#66BE25 #25B3BE #7D25BE #BE3125

square

#66BE25 #25B3BE #7D25BE #BE3125

split-complementary

#66BE25 #3125BE #BE25B3

monochromatic

#2F5811 #4B8B1B #66BE25 #85DB45 #A7E579

Accessibility & contrast

On white

2.34

#66BE25 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.96

#66BE25 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66BE25

8.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66BE25	#FFFFFF	#000000	##000000
##66BE25	1.00	2.34	8.96	8.96
#FFFFFF	2.34	1.00	21.00	21.00
#000000	8.96	21.00	1.00	1.00
##000000	8.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5AE00

Deuteranopia (green-blind)

#B9A737

Tritanopia (blue-blind)

#63B7A2

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #66be25;
/* rgb */ color: rgb(102, 190, 37);
/* oklch */ color: oklch(71.9% 0.198 135.6);

Tailwind

colors: {
  custom: {
    50: '#9ad26d',
    500: '#66be25',
    950: '#000000',
  },
}

SCSS

$custom: #66be25;
$custom-light: #9ad26d;
$custom-dark: #000000;

JSON

{
  "hex": "#66be25",
  "rgb": {
    "r": 102,
    "g": 190,
    "b": 37
  },
  "hsl": {
    "h": 94.51,
    "s": 67.401,
    "l": 44.51
  },
  "oklch": {
    "l": 0.71862,
    "c": 0.19825,
    "h": 135.6
  },
  "luminance": 0.39785
}

Semantic roles & 50–950 ramp

primary

#66BE25

secondary

#A672CD

accent

#3EEAA1

background

#FAFDF7

surface

#F3FAED

border

#CDD3C8

text

#0F1408

muted

#7F837B

Preview Lab

Preview with #66BE25

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

Preview Lab → · Contrast checker → · Palette generator →