#42C780#42C780

#42C780 is a light, vivid green. Relative luminance 0.436; OKLCH L 74.0% C 0.155 H 155.8°. Best body text is #000000 at 9.71:1 contrast (WCAG AA passes).

Color values

HEX	#42C780
RGB	rgb(66, 199, 128)
HSL	hsl(148, 54%, 52%)
HSV	hsv(148, 67%, 78%)
CMYK	cmyk(66.8%, 0%, 35.7%, 22%)
CIE-LAB	lab(71.93, -52.12, 25.30)
CIE-LCH	lch(71.93, 57.94, 154.11°)
OKLab	oklab(74.01% -0.1412 0.0635)
OKLCH	oklch(74.01% 0.155 155.8)
XYZ	xyz(26.5641, 43.5607, 27.4260)
Luminance	0.4356 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C780 #C74289

analogous

#47C742 #42C780 #42C7C3

triadic

#42C780 #8042C7 #C78042

tetradic

#42C780 #4247C7 #C74289 #C7C342

square

#42C780 #4247C7 #C74289 #C7C342

split-complementary

#42C780 #C342C7 #C74247

monochromatic

#216E45 #2F9D62 #42C780 #71D5A0 #A0E3BF

Accessibility & contrast

On white

2.16

#42C780 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.71

#42C780 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C780

9.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C780	#FFFFFF	#000000	##000000
##42C780	1.00	2.16	9.71	9.71
#FFFFFF	2.16	1.00	21.00	21.00
#000000	9.71	21.00	1.00	1.00
##000000	9.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6B87B

Deuteranopia (green-blind)

#B5AB85

Tritanopia (blue-blind)

#00C5B5

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #42c780;
/* rgb */ color: rgb(66, 199, 128);
/* oklch */ color: oklch(74.0% 0.155 155.8);

Tailwind

colors: {
  custom: {
    50: '#86d9a5',
    500: '#42c780',
    950: '#000000',
  },
}

SCSS

$custom: #42c780;
$custom-light: #86d9a5;
$custom-dark: #000000;

JSON

{
  "hex": "#42c780",
  "rgb": {
    "r": 66,
    "g": 199,
    "b": 128
  },
  "hsl": {
    "h": 147.97,
    "s": 54.286,
    "l": 51.961
  },
  "oklch": {
    "l": 0.74011,
    "c": 0.15482,
    "h": 155.8
  },
  "luminance": 0.43564
}

Semantic roles & 50–950 ramp

primary

#42C780

secondary

#D095B4

accent

#4A99DE

background

#F8FDFA

surface

#F0FBF4

border

#CBD4CE

text

#0C150F

muted

#7D837F

Preview Lab

Preview with #42C780

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

Preview Lab → · Contrast checker → · Palette generator →