#66B025#66B025

#66B025 is a light, vivid yellow-green. Relative luminance 0.340; OKLCH L 68.3% C 0.182 H 134.2°. Best body text is #000000 at 7.80:1 contrast (WCAG AA passes).

Color values

HEX	#66B025
RGB	rgb(102, 176, 37)
HSL	hsl(92, 65%, 42%)
HSV	hsv(92, 79%, 69%)
CMYK	cmyk(42%, 0%, 79%, 31%)
CIE-LAB	lab(64.97, -45.12, 58.76)
CIE-LCH	lch(64.97, 74.09, 127.52°)
OKLab	oklab(68.29% -0.1267 0.1301)
OKLCH	oklch(68.29% 0.182 134.2)
XYZ	xyz(21.3383, 34.0079, 7.1897)
Luminance	0.3401 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66B025 #6F25B0

analogous

#ACB025 #66B025 #25B029

triadic

#66B025 #2566B0 #B02566

tetradic

#66B025 #25ACB0 #6F25B0 #B02925

square

#66B025 #25ACB0 #6F25B0 #B02925

split-complementary

#66B025 #2925B0 #B025AC

monochromatic

#2B4B10 #497D1A #66B025 #84D63C #A4E16F

Accessibility & contrast

On white

2.69

#66B025 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.80

#66B025 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66B025

7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66B025	#FFFFFF	#000000	##000000
##66B025	1.00	2.69	7.80	7.80
#FFFFFF	2.69	1.00	21.00	21.00
#000000	7.80	21.00	1.00	1.00
##000000	7.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7A100

Deuteranopia (green-blind)

#AD9B35

Tritanopia (blue-blind)

#65A996

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #66b025;
/* rgb */ color: rgb(102, 176, 37);
/* oklch */ color: oklch(68.3% 0.182 134.2);

Tailwind

colors: {
  custom: {
    50: '#98c86b',
    500: '#66b025',
    950: '#000000',
  },
}

SCSS

$custom: #66b025;
$custom-light: #98c86b;
$custom-dark: #000000;

JSON

{
  "hex": "#66b025",
  "rgb": {
    "r": 102,
    "g": 176,
    "b": 37
  },
  "hsl": {
    "h": 91.942,
    "s": 65.258,
    "l": 41.765
  },
  "oklch": {
    "l": 0.68294,
    "c": 0.18162,
    "h": 134.2
  },
  "luminance": 0.34009
}

Semantic roles & 50–950 ramp

primary

#66B025

secondary

#9B6AC7

accent

#40E899

background

#F9FCF6

surface

#F2F8EC

border

#CCD1C7

text

#0E1307

muted

#7E827A

Preview Lab

Preview with #66B025

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

Preview Lab → · Contrast checker → · Palette generator →