#66A825#66A825

#66A825 is a light, vivid yellow-green. Relative luminance 0.310; OKLCH L 66.3% C 0.172 H 133.2°. Best body text is #000000 at 7.19:1 contrast (WCAG AA passes).

Color values

HEX	#66A825
RGB	rgb(102, 168, 37)
HSL	hsl(90, 64%, 40%)
HSV	hsv(90, 78%, 66%)
CMYK	cmyk(39.3%, 0%, 78%, 34.1%)
CIE-LAB	lab(62.48, -41.78, 56.41)
CIE-LCH	lch(62.48, 70.20, 126.52°)
OKLab	oklab(66.25% -0.1177 0.1252)
OKLCH	oklch(66.25% 0.172 133.2)
XYZ	xyz(19.8157, 30.9627, 6.6822)
Luminance	0.3096 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66A825 #6725A8

analogous

#A7A825 #66A825 #25A826

triadic

#66A825 #2566A8 #A82566

tetradic

#66A825 #25A7A8 #6725A8 #A82625

square

#66A825 #25A7A8 #6725A8 #A82625

split-complementary

#66A825 #2625A8 #A825A7

monochromatic

#29440F #48761A #66A825 #85D337 #A3DE69

Accessibility & contrast

On white

2.92

#66A825 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.19

#66A825 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66A825

7.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66A825	#FFFFFF	#000000	##000000
##66A825	1.00	2.92	7.19	7.19
#FFFFFF	2.92	1.00	21.00	21.00
#000000	7.19	21.00	1.00	1.00
##000000	7.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AF9A00

Deuteranopia (green-blind)

#A69533

Tritanopia (blue-blind)

#66A190

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #66a825;
/* rgb */ color: rgb(102, 168, 37);
/* oklch */ color: oklch(66.3% 0.172 133.2);

Tailwind

colors: {
  custom: {
    50: '#97c26a',
    500: '#66a825',
    950: '#000000',
  },
}

SCSS

$custom: #66a825;
$custom-light: #97c26a;
$custom-dark: #000000;

JSON

{
  "hex": "#66a825",
  "rgb": {
    "r": 102,
    "g": 168,
    "b": 37
  },
  "hsl": {
    "h": 90.229,
    "s": 63.902,
    "l": 40.196
  },
  "oklch": {
    "l": 0.66253,
    "c": 0.17185,
    "h": 133.2
  },
  "luminance": 0.30964
}

Semantic roles & 50–950 ramp

primary

#66A825

secondary

#9565C4

accent

#41E795

background

#F9FCF6

surface

#F2F8EC

border

#CCD1C7

text

#0E1207

muted

#7E817A

Preview Lab

Preview with #66A825

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

Preview Lab → · Contrast checker → · Palette generator →