#42AC2B#42AC2B

#42AC2B is a light, vivid green. Relative luminance 0.308; OKLCH L 65.8% C 0.191 H 140.5°. Best body text is #000000 at 7.17:1 contrast (WCAG AA passes).

Color values

HEX	#42AC2B
RGB	rgb(66, 172, 43)
HSL	hsl(109, 60%, 42%)
HSV	hsv(109, 75%, 67%)
CMYK	cmyk(61.6%, 0%, 75%, 32.5%)
CIE-LAB	lab(62.37, -53.70, 53.80)
CIE-LCH	lch(62.37, 76.02, 134.95°)
OKLab	oklab(65.79% -0.1471 0.1212)
OKLCH	oklch(65.79% 0.191 140.5)
XYZ	xyz(17.4345, 30.8361, 7.3182)
Luminance	0.3084 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42AC2B #952BAC

analogous

#83AC2B #42AC2B #2BAC54

triadic

#42AC2B #2B42AC #AC2B42

tetradic

#42AC2B #2B83AC #952BAC #AC542B

square

#42AC2B #2B83AC #952BAC #AC542B

split-complementary

#42AC2B #542BAC #AC2B83

monochromatic

#1C4A13 #2F7B1F #42AC2B #5DD044 #87DC75

Accessibility & contrast

On white

2.93

#42AC2B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.17

#42AC2B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42AC2B

7.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42AC2B	#FFFFFF	#000000	##000000
##42AC2B	1.00	2.93	7.17	7.17
#FFFFFF	2.93	1.00	21.00	21.00
#000000	7.17	21.00	1.00	1.00
##000000	7.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B19C10

Deuteranopia (green-blind)

#A49339

Tritanopia (blue-blind)

#32A693

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #42ac2b;
/* rgb */ color: rgb(66, 172, 43);
/* oklch */ color: oklch(65.8% 0.191 140.5);

Tailwind

colors: {
  custom: {
    50: '#83c66d',
    500: '#42ac2b',
    950: '#000000',
  },
}

SCSS

$custom: #42ac2b;
$custom-light: #83c66d;
$custom-dark: #000000;

JSON

{
  "hex": "#42ac2b",
  "rgb": {
    "r": 66,
    "g": 172,
    "b": 43
  },
  "hsl": {
    "h": 109.302,
    "s": 60,
    "l": 42.157
  },
  "oklch": {
    "l": 0.65787,
    "c": 0.19058,
    "h": 140.5
  },
  "luminance": 0.30838
}

Semantic roles & 50–950 ramp

primary

#42AC2B

secondary

#B56FC4

accent

#45E3C7

background

#F8FCF6

surface

#F0F8EC

border

#CBD1C7

text

#0C1308

muted

#7D827B

Preview Lab

Preview with #42AC2B

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

Preview Lab → · Contrast checker → · Palette generator →