#66B134#66B134

#66B134 is a light, vivid yellow-green. Relative luminance 0.345; OKLCH L 68.7% C 0.174 H 135.4°. Best body text is #000000 at 7.90:1 contrast (WCAG AA passes).

Color values

HEX	#66B134
RGB	rgb(102, 177, 52)
HSL	hsl(96, 55%, 45%)
HSV	hsv(96, 71%, 69%)
CMYK	cmyk(42.4%, 0%, 70.6%, 30.6%)
CIE-LAB	lab(65.37, -44.57, 53.95)
CIE-LCH	lch(65.37, 69.98, 129.56°)
OKLab	oklab(68.65% -0.1242 0.1223)
OKLCH	oklch(68.65% 0.174 135.4)
XYZ	xyz(21.8209, 34.5158, 8.7606)
Luminance	0.3452 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66B134 #7F34B1

analogous

#A5B134 #66B134 #34B141

triadic

#66B134 #3466B1 #B13466

tetradic

#66B134 #34A5B1 #7F34B1 #B14134

square

#66B134 #34A5B1 #7F34B1 #B14134

split-complementary

#66B134 #4134B1 #B134A5

monochromatic

#2F5218 #4B8226 #66B134 #85CD55 #A7DB84

Accessibility & contrast

On white

2.66

#66B134 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.90

#66B134 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66B134

7.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66B134	#FFFFFF	#000000	##000000
##66B134	1.00	2.66	7.90	7.90
#FFFFFF	2.66	1.00	21.00	21.00
#000000	7.90	21.00	1.00	1.00
##000000	7.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7A320

Deuteranopia (green-blind)

#AD9C40

Tritanopia (blue-blind)

#64AA98

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #66b134;
/* rgb */ color: rgb(102, 177, 52);
/* oklch */ color: oklch(68.7% 0.174 135.4);

Tailwind

colors: {
  custom: {
    50: '#98c973',
    500: '#66b134',
    950: '#000000',
  },
}

SCSS

$custom: #66b134;
$custom-light: #98c973;
$custom-dark: #000000;

JSON

{
  "hex": "#66b134",
  "rgb": {
    "r": 102,
    "g": 177,
    "b": 52
  },
  "hsl": {
    "h": 96,
    "s": 54.585,
    "l": 44.902
  },
  "oklch": {
    "l": 0.68652,
    "c": 0.17427,
    "h": 135.4
  },
  "luminance": 0.34517
}

Semantic roles & 50–950 ramp

primary

#66B134

secondary

#A87CC5

accent

#4ADEA3

background

#F9FCF7

surface

#F2F8ED

border

#CCD1C8

text

#0E1308

muted

#7E827B

Preview Lab

Preview with #66B134

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

Preview Lab → · Contrast checker → · Palette generator →