#66A71F#66A71F

#66A71F is a light, vivid yellow-green. Relative luminance 0.306; OKLCH L 66.0% C 0.174 H 132.7°. Best body text is #000000 at 7.11:1 contrast (WCAG AA passes).

Color values

HEX	#66A71F
RGB	rgb(102, 167, 31)
HSL	hsl(89, 69%, 39%)
HSV	hsv(89, 81%, 65%)
CMYK	cmyk(38.9%, 0%, 81.4%, 34.5%)
CIE-LAB	lab(62.13, -41.66, 57.92)
CIE-LCH	lch(62.13, 71.35, 125.73°)
OKLab	oklab(65.96% -0.1178 0.1275)
OKLCH	oklch(65.96% 0.174 132.7)
XYZ	xyz(19.5453, 30.5602, 6.1649)
Luminance	0.3056 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66A71F #601FA7

analogous

#A7A41F #66A71F #22A71F

triadic

#66A71F #1F66A7 #A71F66

tetradic

#66A71F #1FA7A4 #601FA7 #A71F22

square

#66A71F #1FA7A4 #601FA7 #A71F22

split-complementary

#66A71F #1F22A7 #A41FA7

monochromatic

#27400C #467315 #66A71F #85D82B #A3E15F

Accessibility & contrast

On white

2.95

#66A71F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.11

#66A71F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66A71F

7.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66A71F	#FFFFFF	#000000	##000000
##66A71F	1.00	2.95	7.11	7.11
#FFFFFF	2.95	1.00	21.00	21.00
#000000	7.11	21.00	1.00	1.00
##000000	7.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AE9900

Deuteranopia (green-blind)

#A5942F

Tritanopia (blue-blind)

#67A08E

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #66a71f;
/* rgb */ color: rgb(102, 167, 31);
/* oklch */ color: oklch(66.0% 0.174 132.7);

Tailwind

colors: {
  custom: {
    50: '#97c168',
    500: '#66a71f',
    950: '#000000',
  },
}

SCSS

$custom: #66a71f;
$custom-light: #97c168;
$custom-dark: #000000;

JSON

{
  "hex": "#66a71f",
  "rgb": {
    "r": 102,
    "g": 167,
    "b": 31
  },
  "hsl": {
    "h": 88.676,
    "s": 68.687,
    "l": 38.824
  },
  "oklch": {
    "l": 0.65964,
    "c": 0.17352,
    "h": 132.7
  },
  "luminance": 0.30561
}

Semantic roles & 50–950 ramp

primary

#66A71F

secondary

#8F5CC6

accent

#3CEC90

background

#F9FBF6

surface

#F2F7EB

border

#CCD0C6

text

#0E1207

muted

#7E817A

Preview Lab

Preview with #66A71F

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

Preview Lab → · Contrast checker → · Palette generator →