#66AA2D#66AA2D

#66AA2D is a light, vivid yellow-green. Relative luminance 0.318; OKLCH L 66.8% C 0.170 H 134.1°. Best body text is #000000 at 7.35:1 contrast (WCAG AA passes).

Color values

HEX	#66AA2D
RGB	rgb(102, 170, 45)
HSL	hsl(93, 58%, 42%)
HSV	hsv(93, 74%, 67%)
CMYK	cmyk(40%, 0%, 73.5%, 33.3%)
CIE-LAB	lab(63.15, -42.14, 54.32)
CIE-LCH	lch(63.15, 68.75, 127.80°)
OKLab	oklab(66.82% -0.1181 0.1221)
OKLCH	oklch(66.82% 0.17 134.1)
XYZ	xyz(20.3275, 31.7627, 7.5419)
Luminance	0.3176 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66AA2D #712DAA

analogous

#A5AA2D #66AA2D #2DAA32

triadic

#66AA2D #2D66AA #AA2D66

tetradic

#66AA2D #2DA5AA #712DAA #AA322D

square

#66AA2D #2DA5AA #712DAA #AA322D

split-complementary

#66AA2D #322DAA #AA2DA5

monochromatic

#2C4913 #497A20 #66AA2D #84CE46 #A4DB77

Accessibility & contrast

On white

2.86

#66AA2D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.35

#66AA2D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66AA2D

7.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66AA2D	#FFFFFF	#000000	##000000
##66AA2D	1.00	2.86	7.35	7.35
#FFFFFF	2.86	1.00	21.00	21.00
#000000	7.35	21.00	1.00	1.00
##000000	7.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B19C15

Deuteranopia (green-blind)

#A79739

Tritanopia (blue-blind)

#65A392

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #66aa2d;
/* rgb */ color: rgb(102, 170, 45);
/* oklch */ color: oklch(66.8% 0.170 134.1);

Tailwind

colors: {
  custom: {
    50: '#97c46e',
    500: '#66aa2d',
    950: '#000000',
  },
}

SCSS

$custom: #66aa2d;
$custom-light: #97c46e;
$custom-dark: #000000;

JSON

{
  "hex": "#66aa2d",
  "rgb": {
    "r": 102,
    "g": 170,
    "b": 45
  },
  "hsl": {
    "h": 92.64,
    "s": 58.14,
    "l": 42.157
  },
  "oklch": {
    "l": 0.66816,
    "c": 0.16983,
    "h": 134.1
  },
  "luminance": 0.31764
}

Semantic roles & 50–950 ramp

primary

#66AA2D

secondary

#9D70C3

accent

#46E19B

background

#F9FCF6

surface

#F2F8EC

border

#CCD1C7

text

#0E1208

muted

#7E817B

Preview Lab

Preview with #66AA2D

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

Preview Lab → · Contrast checker → · Palette generator →