#66A227#66A227

#66A227 is a light, vivid yellow-green. Relative luminance 0.288; OKLCH L 64.7% C 0.163 H 132.5°. Best body text is #000000 at 6.76:1 contrast (WCAG AA passes).

Color values

HEX	#66A227
RGB	rgb(102, 162, 39)
HSL	hsl(89, 61%, 39%)
HSV	hsv(89, 76%, 64%)
CMYK	cmyk(37%, 0%, 75.9%, 36.5%)
CIE-LAB	lab(60.61, -39.09, 53.96)
CIE-LCH	lch(60.61, 66.63, 125.92°)
OKLab	oklab(64.74% -0.1103 0.1204)
OKLCH	oklch(64.74% 0.163 132.5)
XYZ	xyz(18.7658, 28.8111, 6.4914)
Luminance	0.2881 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66A227 #6327A2

analogous

#A2A127 #66A227 #29A227

triadic

#66A227 #2766A2 #A22766

tetradic

#66A227 #27A2A1 #6327A2 #A22729

square

#66A227 #27A2A1 #6327A2 #A22729

split-complementary

#66A227 #2729A2 #A127A2

monochromatic

#283F0F #47711B #66A227 #85CF37 #A3DB69

Accessibility & contrast

On white

3.11

#66A227 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.76

#66A227 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #66A227

6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66A227	#FFFFFF	#000000	##000000
##66A227	1.00	3.11	6.76	6.76
#FFFFFF	3.11	1.00	21.00	21.00
#000000	6.76	21.00	1.00	1.00
##000000	6.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A9950B

Deuteranopia (green-blind)

#A19133

Tritanopia (blue-blind)

#679B8B

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #66a227;
/* rgb */ color: rgb(102, 162, 39);
/* oklch */ color: oklch(64.7% 0.163 132.5);

Tailwind

colors: {
  custom: {
    50: '#97be6a',
    500: '#66a227',
    950: '#000000',
  },
}

SCSS

$custom: #66a227;
$custom-light: #97be6a;
$custom-dark: #000000;

JSON

{
  "hex": "#66a227",
  "rgb": {
    "r": 102,
    "g": 162,
    "b": 39
  },
  "hsl": {
    "h": 89.268,
    "s": 61.194,
    "l": 39.412
  },
  "oklch": {
    "l": 0.64735,
    "c": 0.16326,
    "h": 132.5
  },
  "luminance": 0.28812
}

Semantic roles & 50–950 ramp

primary

#66A227

secondary

#9164C1

accent

#43E492

background

#F9FBF6

surface

#F2F7EC

border

#CCD0C7

text

#0E1207

muted

#7E817A

Preview Lab

Preview with #66A227

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

Preview Lab → · Contrast checker → · Palette generator →