#42C545#42C545

#42C545 is a light, highly saturated green. Relative luminance 0.415; OKLCH L 72.6% C 0.203 H 143.4°. Best body text is #000000 at 9.30:1 contrast (WCAG AA passes).

Color values

HEX	#42C545
RGB	rgb(66, 197, 69)
HSL	hsl(121, 53%, 52%)
HSV	hsv(121, 66%, 77%)
CMYK	cmyk(66.5%, 0%, 65%, 22.7%)
CIE-LAB	lab(70.54, -60.14, 52.22)
CIE-LCH	lch(70.54, 79.65, 139.03°)
OKLab	oklab(72.61% -0.1632 0.121)
OKLCH	oklch(72.61% 0.203 143.4)
XYZ	xyz(23.2858, 41.5180, 12.4157)
Luminance	0.4152 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C545 #C542C2

analogous

#81C542 #42C545 #42C587

triadic

#42C545 #4542C5 #C54542

tetradic

#42C545 #4281C5 #C542C2 #C58742

square

#42C545 #4281C5 #C542C2 #C58742

split-complementary

#42C545 #8742C5 #C54281

monochromatic

#216C23 #2F9A32 #42C545 #71D373 #A0E2A1

Accessibility & contrast

On white

2.26

#42C545 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.30

#42C545 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C545

9.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C545	#FFFFFF	#000000	##000000
##42C545	1.00	2.26	9.30	9.30
#FFFFFF	2.26	1.00	21.00	21.00
#000000	9.30	21.00	1.00	1.00
##000000	9.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C9B335

Deuteranopia (green-blind)

#B9A850

Tritanopia (blue-blind)

#21C0AA

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #42c545;
/* rgb */ color: rgb(66, 197, 69);
/* oklch */ color: oklch(72.6% 0.203 143.4);

Tailwind

colors: {
  custom: {
    50: '#87d87e',
    500: '#42c545',
    950: '#000000',
  },
}

SCSS

$custom: #42c545;
$custom-light: #87d87e;
$custom-dark: #000000;

JSON

{
  "hex": "#42c545",
  "rgb": {
    "r": 66,
    "g": 197,
    "b": 69
  },
  "hsl": {
    "h": 121.374,
    "s": 53.036,
    "l": 51.569
  },
  "oklch": {
    "l": 0.72608,
    "c": 0.20314,
    "h": 143.4
  },
  "luminance": 0.4152
}

Semantic roles & 50–950 ramp

primary

#42C545

secondary

#CE95CD

accent

#4BD9DC

background

#F8FDF7

surface

#F0FAEE

border

#CBD3C9

text

#0D150A

muted

#7D837C

Preview Lab

Preview with #42C545

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

Preview Lab → · Contrast checker → · Palette generator →