#66B734#66B734

#66B734 is a light, vivid yellow-green. Relative luminance 0.369; OKLCH L 70.2% C 0.182 H 136.0°. Best body text is #000000 at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#66B734
RGB	rgb(102, 183, 52)
HSL	hsl(97, 56%, 46%)
HSV	hsv(97, 72%, 72%)
CMYK	cmyk(44.3%, 0%, 71.6%, 28.2%)
CIE-LAB	lab(67.23, -47.03, 55.85)
CIE-LCH	lch(67.23, 73.02, 130.10°)
OKLab	oklab(70.18% -0.1308 0.1263)
OKLCH	oklch(70.18% 0.182 136)
XYZ	xyz(23.0322, 36.9383, 9.1643)
Luminance	0.3694 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66B734 #8534B7

analogous

#A7B734 #66B734 #34B743

triadic

#66B734 #3466B7 #B73466

tetradic

#66B734 #34A7B7 #8534B7 #B74334

square

#66B734 #34A7B7 #8534B7 #B74334

split-complementary

#66B734 #4334B7 #B734A7

monochromatic

#315819 #4B8726 #66B734 #86D059 #A9DD88

Accessibility & contrast

On white

2.50

#66B734 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.39

#66B734 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66B734

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66B734	#FFFFFF	#000000	##000000
##66B734	1.00	2.50	8.39	8.39
#FFFFFF	2.50	1.00	21.00	21.00
#000000	8.39	21.00	1.00	1.00
##000000	8.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BDA81E

Deuteranopia (green-blind)

#B3A140

Tritanopia (blue-blind)

#63B09D

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #66b734;
/* rgb */ color: rgb(102, 183, 52);
/* oklch */ color: oklch(70.2% 0.182 136.0);

Tailwind

colors: {
  custom: {
    50: '#98cd73',
    500: '#66b734',
    950: '#000000',
  },
}

SCSS

$custom: #66b734;
$custom-light: #98cd73;
$custom-dark: #000000;

JSON

{
  "hex": "#66b734",
  "rgb": {
    "r": 102,
    "g": 183,
    "b": 52
  },
  "hsl": {
    "h": 97.099,
    "s": 55.745,
    "l": 46.078
  },
  "oklch": {
    "l": 0.70177,
    "c": 0.18182,
    "h": 136
  },
  "luminance": 0.3694
}

Semantic roles & 50–950 ramp

primary

#66B734

secondary

#AC80C7

accent

#49DFA6

background

#F9FCF7

surface

#F2F9ED

border

#CCD2C8

text

#0E1309

muted

#7E827B

Preview Lab

Preview with #66B734

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

Preview Lab → · Contrast checker → · Palette generator →