#66A61E#66A61E

#66A61E is a light, vivid yellow-green. Relative luminance 0.302; OKLCH L 65.7% C 0.173 H 132.5°. Best body text is #000000 at 7.04:1 contrast (WCAG AA passes).

Color values

HEX	#66A61E
RGB	rgb(102, 166, 30)
HSL	hsl(88, 69%, 38%)
HSV	hsv(88, 82%, 65%)
CMYK	cmyk(38.6%, 0%, 81.9%, 34.9%)
CIE-LAB	lab(61.82, -41.29, 57.91)
CIE-LCH	lch(61.82, 71.12, 125.49°)
OKLab	oklab(65.7% -0.1168 0.1273)
OKLCH	oklch(65.7% 0.173 132.5)
XYZ	xyz(19.3498, 30.1901, 6.0358)
Luminance	0.3019 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66A61E #5E1EA6

analogous

#A6A21E #66A61E #22A61E

triadic

#66A61E #1E66A6 #A61E66

tetradic

#66A61E #1EA6A2 #5E1EA6 #A61E22

square

#66A61E #1EA6A2 #5E1EA6 #A61E22

split-complementary

#66A61E #1E22A6 #A21EA6

monochromatic

#263E0B #467215 #66A61E #86D829 #A3E25D

Accessibility & contrast

On white

2.98

#66A61E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.04

#66A61E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66A61E

7.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66A61E	#FFFFFF	#000000	##000000
##66A61E	1.00	2.98	7.04	7.04
#FFFFFF	2.98	1.00	21.00	21.00
#000000	7.04	21.00	1.00	1.00
##000000	7.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AD9900

Deuteranopia (green-blind)

#A5942E

Tritanopia (blue-blind)

#679F8D

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #66a61e;
/* rgb */ color: rgb(102, 166, 30);
/* oklch */ color: oklch(65.7% 0.173 132.5);

Tailwind

colors: {
  custom: {
    50: '#97c167',
    500: '#66a61e',
    950: '#000000',
  },
}

SCSS

$custom: #66a61e;
$custom-light: #97c167;
$custom-dark: #000000;

JSON

{
  "hex": "#66a61e",
  "rgb": {
    "r": 102,
    "g": 166,
    "b": 30
  },
  "hsl": {
    "h": 88.235,
    "s": 69.388,
    "l": 38.431
  },
  "oklch": {
    "l": 0.65704,
    "c": 0.17276,
    "h": 132.5
  },
  "luminance": 0.30191
}

Semantic roles & 50–950 ramp

primary

#66A61E

secondary

#8D5AC6

accent

#3CEC8F

background

#F9FBF6

surface

#F2F7EB

border

#CCD0C6

text

#0E1207

muted

#7E817A

Preview Lab

Preview with #66A61E

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

Preview Lab → · Contrast checker → · Palette generator →