#66A027#66A027

#66A027 is a light, vivid yellow-green. Relative luminance 0.281; OKLCH L 64.2% C 0.161 H 132.2°. Best body text is #000000 at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#66A027
RGB	rgb(102, 160, 39)
HSL	hsl(89, 61%, 39%)
HSV	hsv(89, 76%, 63%)
CMYK	cmyk(36.2%, 0%, 75.6%, 37.3%)
CIE-LAB	lab(59.99, -38.21, 53.36)
CIE-LCH	lch(59.99, 65.63, 125.61°)
OKLab	oklab(64.22% -0.1079 0.1191)
OKLCH	oklch(64.22% 0.161 132.2)
XYZ	xyz(18.4163, 28.1121, 6.3749)
Luminance	0.2811 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66A027 #6127A0

analogous

#A09E27 #66A027 #2AA027

triadic

#66A027 #2766A0 #A02766

tetradic

#66A027 #27A09E #6127A0 #A0272A

square

#66A027 #27A09E #6127A0 #A0272A

split-complementary

#66A027 #272AA0 #9E27A0

monochromatic

#273E0F #476F1B #66A027 #85CE36 #A3DA67

Accessibility & contrast

On white

3.17

#66A027 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.62

#66A027 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #66A027

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66A027	#FFFFFF	#000000	##000000
##66A027	1.00	3.17	6.62	6.62
#FFFFFF	3.17	1.00	21.00	21.00
#000000	6.62	21.00	1.00	1.00
##000000	6.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A7930D

Deuteranopia (green-blind)

#9F8F33

Tritanopia (blue-blind)

#679989

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #66a027;
/* rgb */ color: rgb(102, 160, 39);
/* oklch */ color: oklch(64.2% 0.161 132.2);

Tailwind

colors: {
  custom: {
    50: '#96bc6a',
    500: '#66a027',
    950: '#000000',
  },
}

SCSS

$custom: #66a027;
$custom-light: #96bc6a;
$custom-dark: #000000;

JSON

{
  "hex": "#66a027",
  "rgb": {
    "r": 102,
    "g": 160,
    "b": 39
  },
  "hsl": {
    "h": 88.76,
    "s": 60.804,
    "l": 39.02
  },
  "oklch": {
    "l": 0.64224,
    "c": 0.16073,
    "h": 132.2
  },
  "luminance": 0.28113
}

Semantic roles & 50–950 ramp

primary

#66A027

secondary

#8F63C0

accent

#44E491

background

#F9FBF6

surface

#F2F6EC

border

#CCD0C7

text

#0E1207

muted

#7E817A

Preview Lab

Preview with #66A027

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

Preview Lab → · Contrast checker → · Palette generator →