#66C62B#66C62B

#66C62B is a light, highly saturated yellow-green. Relative luminance 0.434; OKLCH L 73.9% C 0.205 H 136.6°. Best body text is #000000 at 9.68:1 contrast (WCAG AA passes).

Color values

HEX	#66C62B
RGB	rgb(102, 198, 43)
HSL	hsl(97, 64%, 47%)
HSV	hsv(97, 78%, 78%)
CMYK	cmyk(48.5%, 0%, 78.3%, 22.4%)
CIE-LAB	lab(71.82, -53.49, 63.38)
CIE-LCH	lch(71.82, 82.93, 130.16°)
OKLab	oklab(73.93% -0.1488 0.1407)
OKLCH	oklch(73.93% 0.205 136.6)
XYZ	xyz(26.1089, 43.3856, 9.2835)
Luminance	0.4339 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66C62B #8B2BC6

analogous

#B4C62B #66C62B #2BC63D

triadic

#66C62B #2B66C6 #C62B66

tetradic

#66C62B #2BB4C6 #8B2BC6 #C63D2B

square

#66C62B #2BB4C6 #8B2BC6 #C63D2B

split-complementary

#66C62B #3D2BC6 #C62BB4

monochromatic

#326115 #4C9420 #66C62B #87DA54 #AAE587

Accessibility & contrast

On white

2.17

#66C62B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.68

#66C62B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66C62B

9.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66C62B	#FFFFFF	#000000	##000000
##66C62B	1.00	2.17	9.68	9.68
#FFFFFF	2.17	1.00	21.00	21.00
#000000	9.68	21.00	1.00	1.00
##000000	9.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CDB500

Deuteranopia (green-blind)

#C0AD3D

Tritanopia (blue-blind)

#61BFA9

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #66c62b;
/* rgb */ color: rgb(102, 198, 43);
/* oklch */ color: oklch(73.9% 0.205 136.6);

Tailwind

colors: {
  custom: {
    50: '#9ad871',
    500: '#66c62b',
    950: '#000000',
  },
}

SCSS

$custom: #66c62b;
$custom-light: #9ad871;
$custom-dark: #000000;

JSON

{
  "hex": "#66c62b",
  "rgb": {
    "r": 102,
    "g": 198,
    "b": 43
  },
  "hsl": {
    "h": 97.161,
    "s": 64.315,
    "l": 47.255
  },
  "oklch": {
    "l": 0.73927,
    "c": 0.20481,
    "h": 136.6
  },
  "luminance": 0.43387
}

Semantic roles & 50–950 ramp

primary

#66C62B

secondary

#B07FCE

accent

#40E7A8

background

#FAFDF7

surface

#F3FAED

border

#CDD3C8

text

#0F1408

muted

#7F837B

Preview Lab

Preview with #66C62B

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

Preview Lab → · Contrast checker → · Palette generator →