#66BB2F#66BB2F

#66BB2F is a light, vivid yellow-green. Relative luminance 0.386; OKLCH L 71.2% C 0.190 H 136.0°. Best body text is #000000 at 8.71:1 contrast (WCAG AA passes).

Color values

HEX	#66BB2F
RGB	rgb(102, 187, 47)
HSL	hsl(96, 60%, 46%)
HSV	hsv(96, 75%, 73%)
CMYK	cmyk(45.5%, 0%, 74.9%, 26.7%)
CIE-LAB	lab(68.44, -48.97, 58.85)
CIE-LCH	lch(68.44, 76.56, 129.77°)
OKLab	oklab(71.16% -0.1364 0.1318)
OKLCH	oklch(71.16% 0.19 136)
XYZ	xyz(23.7623, 38.5692, 8.8813)
Luminance	0.3857 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66BB2F #842FBB

analogous

#ACBB2F #66BB2F #2FBB3E

triadic

#66BB2F #2F66BB #BB2F66

tetradic

#66BB2F #2FACBB #842FBB #BB3E2F

square

#66BB2F #2FACBB #842FBB #BB3E2F

split-complementary

#66BB2F #3E2FBB #BB2FAC

monochromatic

#315916 #4B8A23 #66BB2F #86D453 #A8E084

Accessibility & contrast

On white

2.41

#66BB2F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.71

#66BB2F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66BB2F

8.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66BB2F	#FFFFFF	#000000	##000000
##66BB2F	1.00	2.41	8.71	8.71
#FFFFFF	2.41	1.00	21.00	21.00
#000000	8.71	21.00	1.00	1.00
##000000	8.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C2AB11

Deuteranopia (green-blind)

#B6A43D

Tritanopia (blue-blind)

#63B4A0

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #66bb2f;
/* rgb */ color: rgb(102, 187, 47);
/* oklch */ color: oklch(71.2% 0.190 136.0);

Tailwind

colors: {
  custom: {
    50: '#99d071',
    500: '#66bb2f',
    950: '#000000',
  },
}

SCSS

$custom: #66bb2f;
$custom-light: #99d071;
$custom-dark: #000000;

JSON

{
  "hex": "#66bb2f",
  "rgb": {
    "r": 102,
    "g": 187,
    "b": 47
  },
  "hsl": {
    "h": 96.429,
    "s": 59.829,
    "l": 45.882
  },
  "oklch": {
    "l": 0.71158,
    "c": 0.1897,
    "h": 136
  },
  "luminance": 0.38571
}

Semantic roles & 50–950 ramp

primary

#66BB2F

secondary

#AB7CC9

accent

#45E3A5

background

#F9FCF7

surface

#F2F9ED

border

#CCD2C8

text

#0F1408

muted

#7E827B

Preview Lab

Preview with #66BB2F

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

Preview Lab → · Contrast checker → · Palette generator →