#66A626#66A626

#66A626 is a light, vivid yellow-green. Relative luminance 0.302; OKLCH L 65.7% C 0.169 H 133.0°. Best body text is #000000 at 7.05:1 contrast (WCAG AA passes).

Color values

HEX	#66A626
RGB	rgb(102, 166, 38)
HSL	hsl(90, 63%, 40%)
HSV	hsv(90, 77%, 65%)
CMYK	cmyk(38.6%, 0%, 77.1%, 34.9%)
CIE-LAB	lab(61.86, -40.87, 55.50)
CIE-LCH	lch(61.86, 68.93, 126.37°)
OKLab	oklab(65.75% -0.1152 0.1235)
OKLCH	oklch(65.75% 0.169 133)
XYZ	xyz(19.4653, 30.2363, 6.6439)
Luminance	0.3024 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66A626 #6626A6

analogous

#A6A626 #66A626 #26A626

triadic

#66A626 #2666A6 #A62666

tetradic

#66A626 #26A6A6 #6626A6 #A62626

square

#66A626 #26A6A6 #6626A6 #A62626

split-complementary

#66A626 #2626A6 #A626A6

monochromatic

#29420F #47741B #66A626 #85D138 #A3DD6A

Accessibility & contrast

On white

2.98

#66A626 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.05

#66A626 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66A626

7.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66A626	#FFFFFF	#000000	##000000
##66A626	1.00	2.98	7.05	7.05
#FFFFFF	2.98	1.00	21.00	21.00
#000000	7.05	21.00	1.00	1.00
##000000	7.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AD9905

Deuteranopia (green-blind)

#A49433

Tritanopia (blue-blind)

#669F8E

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #66a626;
/* rgb */ color: rgb(102, 166, 38);
/* oklch */ color: oklch(65.7% 0.169 133.0);

Tailwind

colors: {
  custom: {
    50: '#97c16a',
    500: '#66a626',
    950: '#000000',
  },
}

SCSS

$custom: #66a626;
$custom-light: #97c16a;
$custom-dark: #000000;

JSON

{
  "hex": "#66a626",
  "rgb": {
    "r": 102,
    "g": 166,
    "b": 38
  },
  "hsl": {
    "h": 90,
    "s": 62.745,
    "l": 40
  },
  "oklch": {
    "l": 0.65749,
    "c": 0.16884,
    "h": 133
  },
  "luminance": 0.30237
}

Semantic roles & 50–950 ramp

primary

#66A626

secondary

#9465C3

accent

#42E694

background

#F9FBF6

surface

#F2F7EC

border

#CCD0C7

text

#0E1207

muted

#7E817A

Preview Lab

Preview with #66A626

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

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