#66C93B#66C93B

#66C93B is a light, vivid green. Relative luminance 0.449; OKLCH L 74.8% C 0.200 H 137.9°. Best body text is #000000 at 9.98:1 contrast (WCAG AA passes).

Color values

HEX	#66C93B
RGB	rgb(102, 201, 59)
HSL	hsl(102, 57%, 51%)
HSV	hsv(102, 71%, 79%)
CMYK	cmyk(49.3%, 0%, 70.6%, 21.2%)
CIE-LAB	lab(72.83, -53.59, 58.97)
CIE-LCH	lch(72.83, 79.68, 132.27°)
OKLab	oklab(74.79% -0.1481 0.1337)
OKLCH	oklch(74.79% 0.2 137.9)
XYZ	xyz(27.1546, 44.9119, 11.3748)
Luminance	0.4491 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66C93B #9E3BC9

analogous

#ADC93B #66C93B #3BC957

triadic

#66C93B #3B66C9 #C93B66

tetradic

#66C93B #3BADC9 #9E3BC9 #C9573B

square

#66C93B #3BADC9 #9E3BC9 #C9573B

split-complementary

#66C93B #573BC9 #C93BAD

monochromatic

#356C1E #4D9C2B #66C93B #8BD66B #B1E39B

Accessibility & contrast

On white

2.10

#66C93B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.98

#66C93B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66C93B

9.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66C93B	#FFFFFF	#000000	##000000
##66C93B	1.00	2.10	9.98	9.98
#FFFFFF	2.10	1.00	21.00	21.00
#000000	9.98	21.00	1.00	1.00
##000000	9.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFB824

Deuteranopia (green-blind)

#C2B049

Tritanopia (blue-blind)

#5FC2AD

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #66c93b;
/* rgb */ color: rgb(102, 201, 59);
/* oklch */ color: oklch(74.8% 0.200 137.9);

Tailwind

colors: {
  custom: {
    50: '#9ada79',
    500: '#66c93b',
    950: '#000000',
  },
}

SCSS

$custom: #66c93b;
$custom-light: #9ada79;
$custom-dark: #000000;

JSON

{
  "hex": "#66c93b",
  "rgb": {
    "r": 102,
    "g": 201,
    "b": 59
  },
  "hsl": {
    "h": 101.831,
    "s": 56.8,
    "l": 50.98
  },
  "oklch": {
    "l": 0.74794,
    "c": 0.19954,
    "h": 137.9
  },
  "luminance": 0.44914
}

Semantic roles & 50–950 ramp

primary

#66C93B

secondary

#BC90CF

accent

#48E0B2

background

#FAFDF7

surface

#F3FBEE

border

#CDD4C9

text

#0F150A

muted

#7F837C

Preview Lab

Preview with #66C93B

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

Preview Lab → · Contrast checker → · Palette generator →