#66B120#66B120

#66B120 is a light, vivid yellow-green. Relative luminance 0.344; OKLCH L 68.5% C 0.185 H 134.1°. Best body text is #000000 at 7.87:1 contrast (WCAG AA passes).

Color values

HEX	#66B120
RGB	rgb(102, 177, 32)
HSL	hsl(91, 69%, 41%)
HSV	hsv(91, 82%, 69%)
CMYK	cmyk(42.4%, 0%, 81.9%, 30.6%)
CIE-LAB	lab(65.26, -45.77, 60.48)
CIE-LCH	lch(65.26, 75.85, 127.12°)
OKLab	oklab(68.52% -0.1287 0.133)
OKLCH	oklch(68.52% 0.185 134.1)
XYZ	xyz(21.4619, 34.3722, 6.8699)
Luminance	0.3437 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66B120 #6B20B1

analogous

#AEB120 #66B120 #20B122

triadic

#66B120 #2066B1 #B12066

tetradic

#66B120 #20AEB1 #6B20B1 #B12220

square

#66B120 #20AEB1 #6B20B1 #B12220

split-complementary

#66B120 #2220B1 #B120AE

monochromatic

#2A490D #487D17 #66B120 #84DA34 #A4E468

Accessibility & contrast

On white

2.67

#66B120 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.87

#66B120 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66B120

7.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66B120	#FFFFFF	#000000	##000000
##66B120	1.00	2.67	7.87	7.87
#FFFFFF	2.67	1.00	21.00	21.00
#000000	7.87	21.00	1.00	1.00
##000000	7.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8A200

Deuteranopia (green-blind)

#AE9C32

Tritanopia (blue-blind)

#65AA97

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #66b120;
/* rgb */ color: rgb(102, 177, 32);
/* oklch */ color: oklch(68.5% 0.185 134.1);

Tailwind

colors: {
  custom: {
    50: '#98c969',
    500: '#66b120',
    950: '#000000',
  },
}

SCSS

$custom: #66b120;
$custom-light: #98c969;
$custom-dark: #000000;

JSON

{
  "hex": "#66b120",
  "rgb": {
    "r": 102,
    "g": 177,
    "b": 32
  },
  "hsl": {
    "h": 91.034,
    "s": 69.378,
    "l": 40.98
  },
  "oklch": {
    "l": 0.68523,
    "c": 0.1851,
    "h": 134.1
  },
  "luminance": 0.34373
}

Semantic roles & 50–950 ramp

primary

#66B120

secondary

#9864C9

accent

#3CEC97

background

#F9FCF6

surface

#F2F8EC

border

#CCD1C7

text

#0E1307

muted

#7E827A

Preview Lab

Preview with #66B120

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

Preview Lab → · Contrast checker → · Palette generator →