#42AC28#42AC28

#42AC28 is a light, vivid green. Relative luminance 0.308; OKLCH L 65.8% C 0.192 H 140.3°. Best body text is #000000 at 7.16:1 contrast (WCAG AA passes).

Color values

HEX	#42AC28
RGB	rgb(66, 172, 40)
HSL	hsl(108, 62%, 42%)
HSV	hsv(108, 77%, 67%)
CMYK	cmyk(61.6%, 0%, 76.7%, 32.5%)
CIE-LAB	lab(62.35, -53.92, 54.82)
CIE-LCH	lch(62.35, 76.89, 134.52°)
OKLab	oklab(65.77% -0.1479 0.1229)
OKLCH	oklch(65.77% 0.192 140.3)
XYZ	xyz(17.3815, 30.8149, 7.0390)
Luminance	0.3082 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42AC28 #9228AC

analogous

#84AC28 #42AC28 #28AC50

triadic

#42AC28 #2842AC #AC2842

tetradic

#42AC28 #2884AC #9228AC #AC5028

square

#42AC28 #2884AC #9228AC #AC5028

split-complementary

#42AC28 #5028AC #AC2884

monochromatic

#1C4911 #2F7A1C #42AC28 #5CD23F #86DE71

Accessibility & contrast

On white

2.93

#42AC28 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.16

#42AC28 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42AC28

7.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42AC28	#FFFFFF	#000000	##000000
##42AC28	1.00	2.93	7.16	7.16
#FFFFFF	2.93	1.00	21.00	21.00
#000000	7.16	21.00	1.00	1.00
##000000	7.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B19C07

Deuteranopia (green-blind)

#A49337

Tritanopia (blue-blind)

#33A693

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #42ac28;
/* rgb */ color: rgb(66, 172, 40);
/* oklch */ color: oklch(65.8% 0.192 140.3);

Tailwind

colors: {
  custom: {
    50: '#83c66c',
    500: '#42ac28',
    950: '#000000',
  },
}

SCSS

$custom: #42ac28;
$custom-light: #83c66c;
$custom-dark: #000000;

JSON

{
  "hex": "#42ac28",
  "rgb": {
    "r": 66,
    "g": 172,
    "b": 40
  },
  "hsl": {
    "h": 108.182,
    "s": 62.264,
    "l": 41.569
  },
  "oklch": {
    "l": 0.65766,
    "c": 0.19224,
    "h": 140.3
  },
  "luminance": 0.30816
}

Semantic roles & 50–950 ramp

primary

#42AC28

secondary

#B36BC5

accent

#42E5C5

background

#F8FCF6

surface

#F0F8EC

border

#CBD1C7

text

#0C1307

muted

#7D827A

Preview Lab

Preview with #42AC28

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

Preview Lab → · Contrast checker → · Palette generator →