#66B314#66B314

#66B314 is a light, vivid yellow-green. Relative luminance 0.351; OKLCH L 69.0% C 0.192 H 133.8°. Best body text is #000000 at 8.02:1 contrast (WCAG AA passes).

Color values

HEX	#66B314
RGB	rgb(102, 179, 20)
HSL	hsl(89, 80%, 39%)
HSV	hsv(89, 89%, 70%)
CMYK	cmyk(43%, 0%, 88.8%, 29.8%)
CIE-LAB	lab(65.84, -47.04, 63.77)
CIE-LCH	lch(65.84, 79.24, 126.41°)
OKLab	oklab(68.99% -0.1327 0.1383)
OKLCH	oklch(68.99% 0.192 133.8)
XYZ	xyz(21.7255, 35.1143, 6.2947)
Luminance	0.3512 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66B314 #6114B3

analogous

#B3B114 #66B314 #16B314

triadic

#66B314 #1466B3 #B31466

tetradic

#66B314 #14B3B1 #6114B3 #B31416

square

#66B314 #14B3B1 #6114B3 #B31416

split-complementary

#66B314 #1416B3 #B114B3

monochromatic

#274508 #477C0E #66B314 #85E61E #A3EC55

Accessibility & contrast

On white

2.62

#66B314 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.02

#66B314 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66B314

8.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66B314	#FFFFFF	#000000	##000000
##66B314	1.00	2.62	8.02	8.02
#FFFFFF	2.62	1.00	21.00	21.00
#000000	8.02	21.00	1.00	1.00
##000000	8.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BAA400

Deuteranopia (green-blind)

#B09E2B

Tritanopia (blue-blind)

#65AC98

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #66b314;
/* rgb */ color: rgb(102, 179, 20);
/* oklch */ color: oklch(69.0% 0.192 133.8);

Tailwind

colors: {
  custom: {
    50: '#99ca66',
    500: '#66b314',
    950: '#000000',
  },
}

SCSS

$custom: #66b314;
$custom-light: #99ca66;
$custom-dark: #000000;

JSON

{
  "hex": "#66b314",
  "rgb": {
    "r": 102,
    "g": 179,
    "b": 20
  },
  "hsl": {
    "h": 89.057,
    "s": 79.899,
    "l": 39.02
  },
  "oklch": {
    "l": 0.68986,
    "c": 0.19167,
    "h": 133.8
  },
  "luminance": 0.35115
}

Semantic roles & 50–950 ramp

primary

#66B314

secondary

#8F54CF

accent

#31F691

background

#F9FCF6

surface

#F2F8EB

border

#CCD1C6

text

#0F1307

muted

#7E827A

Preview Lab

Preview with #66B314

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

Preview Lab → · Contrast checker → · Palette generator →