#66A925#66A925

#66A925 is a light, vivid yellow-green. Relative luminance 0.313; OKLCH L 66.5% C 0.173 H 133.4°. Best body text is #000000 at 7.27:1 contrast (WCAG AA passes).

Color values

HEX	#66A925
RGB	rgb(102, 169, 37)
HSL	hsl(90, 64%, 40%)
HSV	hsv(90, 78%, 66%)
CMYK	cmyk(39.6%, 0%, 78.1%, 33.7%)
CIE-LAB	lab(62.79, -42.20, 56.71)
CIE-LCH	lch(62.79, 70.69, 126.66°)
OKLab	oklab(66.51% -0.1188 0.1258)
OKLCH	oklch(66.51% 0.173 133.4)
XYZ	xyz(20.0011, 31.3333, 6.7440)
Luminance	0.3133 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66A925 #6825A9

analogous

#A8A925 #66A925 #25A926

triadic

#66A925 #2566A9 #A92566

tetradic

#66A925 #25A8A9 #6825A9 #A92625

square

#66A925 #25A8A9 #6825A9 #A92625

split-complementary

#66A925 #2625A9 #A925A8

monochromatic

#29450F #48771A #66A925 #84D338 #A3DE6A

Accessibility & contrast

On white

2.89

#66A925 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.27

#66A925 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66A925

7.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66A925	#FFFFFF	#000000	##000000
##66A925	1.00	2.89	7.27	7.27
#FFFFFF	2.89	1.00	21.00	21.00
#000000	7.27	21.00	1.00	1.00
##000000	7.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B09B00

Deuteranopia (green-blind)

#A79633

Tritanopia (blue-blind)

#66A290

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #66a925;
/* rgb */ color: rgb(102, 169, 37);
/* oklch */ color: oklch(66.5% 0.173 133.4);

Tailwind

colors: {
  custom: {
    50: '#97c36a',
    500: '#66a925',
    950: '#000000',
  },
}

SCSS

$custom: #66a925;
$custom-light: #97c36a;
$custom-dark: #000000;

JSON

{
  "hex": "#66a925",
  "rgb": {
    "r": 102,
    "g": 169,
    "b": 37
  },
  "hsl": {
    "h": 90.455,
    "s": 64.078,
    "l": 40.392
  },
  "oklch": {
    "l": 0.66508,
    "c": 0.17308,
    "h": 133.4
  },
  "luminance": 0.31334
}

Semantic roles & 50–950 ramp

primary

#66A925

secondary

#9665C4

accent

#41E795

background

#F9FCF6

surface

#F2F8EC

border

#CCD1C7

text

#0E1207

muted

#7E817A

Preview Lab

Preview with #66A925

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

Preview Lab → · Contrast checker → · Palette generator →