#66B126#66B126

#66B126 is a light, vivid yellow-green. Relative luminance 0.344; OKLCH L 68.6% C 0.182 H 134.4°. Best body text is #000000 at 7.88:1 contrast (WCAG AA passes).

Color values

HEX	#66B126
RGB	rgb(102, 177, 38)
HSL	hsl(92, 65%, 42%)
HSV	hsv(92, 79%, 69%)
CMYK	cmyk(42.4%, 0%, 78.5%, 30.6%)
CIE-LAB	lab(65.28, -45.47, 58.75)
CIE-LCH	lch(65.28, 74.29, 127.74°)
OKLab	oklab(68.55% -0.1276 0.1303)
OKLCH	oklch(68.55% 0.182 134.4)
XYZ	xyz(21.5511, 34.4078, 7.3392)
Luminance	0.3441 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66B126 #7126B1

analogous

#ACB126 #66B126 #26B12C

triadic

#66B126 #2666B1 #B12666

tetradic

#66B126 #26ACB1 #7126B1 #B12C26

square

#66B126 #26ACB1 #7126B1 #B12C26

split-complementary

#66B126 #2C26B1 #B126AC

monochromatic

#2C4C10 #497F1B #66B126 #84D63F #A4E071

Accessibility & contrast

On white

2.66

#66B126 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.88

#66B126 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66B126

7.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66B126	#FFFFFF	#000000	##000000
##66B126	1.00	2.66	7.88	7.88
#FFFFFF	2.66	1.00	21.00	21.00
#000000	7.88	21.00	1.00	1.00
##000000	7.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8A200

Deuteranopia (green-blind)

#AE9C35

Tritanopia (blue-blind)

#65AA97

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #66b126;
/* rgb */ color: rgb(102, 177, 38);
/* oklch */ color: oklch(68.6% 0.182 134.4);

Tailwind

colors: {
  custom: {
    50: '#98c96c',
    500: '#66b126',
    950: '#000000',
  },
}

SCSS

$custom: #66b126;
$custom-light: #98c96c;
$custom-dark: #000000;

JSON

{
  "hex": "#66b126",
  "rgb": {
    "r": 102,
    "g": 177,
    "b": 38
  },
  "hsl": {
    "h": 92.374,
    "s": 64.651,
    "l": 42.157
  },
  "oklch": {
    "l": 0.68555,
    "c": 0.18233,
    "h": 134.4
  },
  "luminance": 0.34409
}

Semantic roles & 50–950 ramp

primary

#66B126

secondary

#9D6BC7

accent

#40E89B

background

#F9FCF6

surface

#F2F8EC

border

#CCD1C7

text

#0E1307

muted

#7E827A

Preview Lab

Preview with #66B126

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

Preview Lab → · Contrast checker → · Palette generator →