#66C438#66C438

#66C438 is a light, vivid green. Relative luminance 0.426; OKLCH L 73.5% C 0.195 H 137.4°. Best body text is #000000 at 9.52:1 contrast (WCAG AA passes).

Color values

HEX	#66C438
RGB	rgb(102, 196, 56)
HSL	hsl(100, 56%, 49%)
HSV	hsv(100, 71%, 77%)
CMYK	cmyk(48%, 0%, 71.4%, 23.1%)
CIE-LAB	lab(71.27, -51.89, 58.48)
CIE-LCH	lch(71.27, 78.19, 131.58°)
OKLab	oklab(73.51% -0.1437 0.1323)
OKLCH	oklch(73.51% 0.195 137.4)
XYZ	xyz(25.9324, 42.5884, 10.5945)
Luminance	0.4259 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66C438 #9638C4

analogous

#ACC438 #66C438 #38C450

triadic

#66C438 #3866C4 #C43866

tetradic

#66C438 #38ACC4 #9638C4 #C45038

square

#66C438 #38ACC4 #9638C4 #C45038

split-complementary

#66C438 #5038C4 #C438AC

monochromatic

#34651D #4D942A #66C438 #8AD366 #AEE196

Accessibility & contrast

On white

2.21

#66C438 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.52

#66C438 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66C438

9.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66C438	#FFFFFF	#000000	##000000
##66C438	1.00	2.21	9.52	9.52
#FFFFFF	2.21	1.00	21.00	21.00
#000000	9.52	21.00	1.00	1.00
##000000	9.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CAB320

Deuteranopia (green-blind)

#BEAC46

Tritanopia (blue-blind)

#60BDA9

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #66c438;
/* rgb */ color: rgb(102, 196, 56);
/* oklch */ color: oklch(73.5% 0.195 137.4);

Tailwind

colors: {
  custom: {
    50: '#9ad677',
    500: '#66c438',
    950: '#000000',
  },
}

SCSS

$custom: #66c438;
$custom-light: #9ad677;
$custom-dark: #000000;

JSON

{
  "hex": "#66c438",
  "rgb": {
    "r": 102,
    "g": 196,
    "b": 56
  },
  "hsl": {
    "h": 100.286,
    "s": 55.556,
    "l": 49.412
  },
  "oklch": {
    "l": 0.73506,
    "c": 0.19534,
    "h": 137.4
  },
  "luminance": 0.4259
}

Semantic roles & 50–950 ramp

primary

#66C438

secondary

#B78CCC

accent

#49DFAE

background

#F9FDF7

surface

#F2FAEE

border

#CCD3C9

text

#0F1409

muted

#7E837B

Preview Lab

Preview with #66C438

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

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