#42C04E#42C04E

#42C04E is a light, vivid green. Relative luminance 0.394; OKLCH L 71.4% C 0.190 H 144.7°. Best body text is #000000 at 8.88:1 contrast (WCAG AA passes).

Color values

HEX	#42C04E
RGB	rgb(66, 192, 78)
HSL	hsl(126, 50%, 51%)
HSV	hsv(126, 66%, 75%)
CMYK	cmyk(65.6%, 0%, 59.4%, 24.7%)
CIE-LAB	lab(69.04, -57.40, 46.58)
CIE-LCH	lch(69.04, 73.93, 140.94°)
OKLab	oklab(71.4% -0.1553 0.1098)
OKLCH	oklch(71.4% 0.19 144.7)
XYZ	xyz(22.4701, 39.4053, 13.6281)
Luminance	0.3941 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C04E #C042B4

analogous

#75C042 #42C04E #42C08D

triadic

#42C04E #4E42C0 #C04E42

tetradic

#42C04E #4275C0 #C042B4 #C08D42

square

#42C04E #4275C0 #C042B4 #C08D42

split-complementary

#42C04E #8D42C0 #C04275

monochromatic

#226628 #31943B #42C04E #70CF79 #9EDFA4

Accessibility & contrast

On white

2.36

#42C04E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.88

#42C04E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C04E

8.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C04E	#FFFFFF	#000000	##000000
##42C04E	1.00	2.36	8.88	8.88
#FFFFFF	2.36	1.00	21.00	21.00
#000000	8.88	21.00	1.00	1.00
##000000	8.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C3AF42

Deuteranopia (green-blind)

#B4A457

Tritanopia (blue-blind)

#20BBA7

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #42c04e;
/* rgb */ color: rgb(66, 192, 78);
/* oklch */ color: oklch(71.4% 0.190 144.7);

Tailwind

colors: {
  custom: {
    50: '#85d483',
    500: '#42c04e',
    950: '#000000',
  },
}

SCSS

$custom: #42c04e;
$custom-light: #85d483;
$custom-dark: #000000;

JSON

{
  "hex": "#42c04e",
  "rgb": {
    "r": 66,
    "g": 192,
    "b": 78
  },
  "hsl": {
    "h": 125.714,
    "s": 50,
    "l": 50.588
  },
  "oklch": {
    "l": 0.714,
    "c": 0.19025,
    "h": 144.7
  },
  "luminance": 0.39408
}

Semantic roles & 50–950 ramp

primary

#42C04E

secondary

#CB93C6

accent

#4ECCDA

background

#F8FDF8

surface

#F0FAEF

border

#CBD3CA

text

#0C140B

muted

#7D837C

Preview Lab

Preview with #42C04E

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

Preview Lab → · Contrast checker → · Palette generator →