#42AC63#42AC63

#42AC63 is a light, vivid green. Relative luminance 0.316; OKLCH L 66.5% C 0.145 H 150.7°. Best body text is #000000 at 7.31:1 contrast (WCAG AA passes).

Color values

HEX	#42AC63
RGB	rgb(66, 172, 99)
HSL	hsl(139, 45%, 47%)
HSV	hsv(139, 62%, 67%)
CMYK	cmyk(61.6%, 0%, 42.4%, 32.5%)
CIE-LAB	lab(62.98, -46.80, 28.73)
CIE-LCH	lch(62.98, 54.91, 148.45°)
OKLab	oklab(66.49% -0.1265 0.071)
OKLCH	oklch(66.49% 0.145 150.7)
XYZ	xyz(19.2500, 31.5623, 16.8796)
Luminance	0.3156 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42AC63 #AC428B

analogous

#56AC42 #42AC63 #42AC98

triadic

#42AC63 #6342AC #AC6342

tetradic

#42AC63 #4256AC #AC428B #AC9842

square

#42AC63 #4256AC #AC428B #AC9842

split-complementary

#42AC63 #9842AC #AC4256

monochromatic

#205430 #31804A #42AC63 #67C584 #93D6A8

Accessibility & contrast

On white

2.87

#42AC63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.31

#42AC63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42AC63

7.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42AC63	#FFFFFF	#000000	##000000
##42AC63	1.00	2.87	7.31	7.31
#FFFFFF	2.87	1.00	21.00	21.00
#000000	7.31	21.00	1.00	1.00
##000000	7.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AD9E5E

Deuteranopia (green-blind)

#9F9568

Tritanopia (blue-blind)

#20A99A

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #42ac63;
/* rgb */ color: rgb(66, 172, 99);
/* oklch */ color: oklch(66.5% 0.145 150.7);

Tailwind

colors: {
  custom: {
    50: '#81c590',
    500: '#42ac63',
    950: '#000000',
  },
}

SCSS

$custom: #42ac63;
$custom-light: #81c590;
$custom-dark: #000000;

JSON

{
  "hex": "#42ac63",
  "rgb": {
    "r": 66,
    "g": 172,
    "b": 99
  },
  "hsl": {
    "h": 138.679,
    "s": 44.538,
    "l": 46.667
  },
  "oklch": {
    "l": 0.66488,
    "c": 0.14507,
    "h": 150.7
  },
  "luminance": 0.31564
}

Semantic roles & 50–950 ramp

primary

#42AC63

secondary

#C189B0

accent

#54ACD4

background

#F8FCF8

surface

#EFF8F0

border

#CAD1CB

text

#0B130C

muted

#7C827D

Preview Lab

Preview with #42AC63

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

Preview Lab → · Contrast checker → · Palette generator →