#66A726#66A726

#66A726 is a light, vivid yellow-green. Relative luminance 0.306; OKLCH L 66.0% C 0.170 H 133.2°. Best body text is #000000 at 7.12:1 contrast (WCAG AA passes).

Color values

HEX	#66A726
RGB	rgb(102, 167, 38)
HSL	hsl(90, 63%, 40%)
HSV	hsv(90, 77%, 65%)
CMYK	cmyk(38.9%, 0%, 77.2%, 34.5%)
CIE-LAB	lab(62.17, -41.30, 55.80)
CIE-LCH	lch(62.17, 69.42, 126.51°)
OKLab	oklab(66% -0.1163 0.1241)
OKLCH	oklch(66% 0.17 133.2)
XYZ	xyz(19.6478, 30.6012, 6.7047)
Luminance	0.3060 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66A726 #6726A7

analogous

#A6A726 #66A726 #26A727

triadic

#66A726 #2666A7 #A72666

tetradic

#66A726 #26A6A7 #6726A7 #A72726

square

#66A726 #26A6A7 #6726A7 #A72726

split-complementary

#66A726 #2726A7 #A726A6

monochromatic

#29430F #48751B #66A726 #85D238 #A3DD6A

Accessibility & contrast

On white

2.95

#66A726 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.12

#66A726 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66A726

7.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66A726	#FFFFFF	#000000	##000000
##66A726	1.00	2.95	7.12	7.12
#FFFFFF	2.95	1.00	21.00	21.00
#000000	7.12	21.00	1.00	1.00
##000000	7.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AE9A04

Deuteranopia (green-blind)

#A59434

Tritanopia (blue-blind)

#66A08F

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #66a726;
/* rgb */ color: rgb(102, 167, 38);
/* oklch */ color: oklch(66.0% 0.170 133.2);

Tailwind

colors: {
  custom: {
    50: '#97c16b',
    500: '#66a726',
    950: '#000000',
  },
}

SCSS

$custom: #66a726;
$custom-light: #97c16b;
$custom-dark: #000000;

JSON

{
  "hex": "#66a726",
  "rgb": {
    "r": 102,
    "g": 167,
    "b": 38
  },
  "hsl": {
    "h": 90.233,
    "s": 62.927,
    "l": 40.196
  },
  "oklch": {
    "l": 0.66004,
    "c": 0.17008,
    "h": 133.2
  },
  "luminance": 0.30602
}

Semantic roles & 50–950 ramp

primary

#66A726

secondary

#9565C3

accent

#42E695

background

#F9FBF6

surface

#F2F7EC

border

#CCD0C7

text

#0E1207

muted

#7E817A

Preview Lab

Preview with #66A726

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

Preview Lab → · Contrast checker → · Palette generator →