#42D545#42D545

#42D545 is a light, highly saturated green. Relative luminance 0.492; OKLCH L 76.8% C 0.222 H 143.3°. Best body text is #000000 at 10.84:1 contrast (WCAG AA passes).

Color values

HEX	#42D545
RGB	rgb(66, 213, 69)
HSL	hsl(121, 64%, 55%)
HSV	hsv(121, 69%, 84%)
CMYK	cmyk(69%, 0%, 67.6%, 16.5%)
CIE-LAB	lab(75.56, -65.51, 57.66)
CIE-LCH	lch(75.56, 87.27, 138.64°)
OKLab	oklab(76.77% -0.1777 0.1325)
OKLCH	oklch(76.77% 0.222 143.3)
XYZ	xyz(27.1135, 49.1735, 13.6916)
Luminance	0.4918 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D545 #D542D2

analogous

#89D542 #42D545 #42D58E

triadic

#42D545 #4542D5 #D54542

tetradic

#42D545 #4289D5 #D542D2 #D58E42

square

#42D545 #4289D5 #D542D2 #D58E42

split-complementary

#42D545 #8E42D5 #D54289

monochromatic

#1C801F #28B22A #42D545 #74E076 #A6EBA8

Accessibility & contrast

On white

1.94

#42D545 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.84

#42D545 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D545

10.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D545	#FFFFFF	#000000	##000000
##42D545	1.00	1.94	10.84	10.84
#FFFFFF	1.94	1.00	21.00	21.00
#000000	10.84	21.00	1.00	1.00
##000000	10.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9C131

Deuteranopia (green-blind)

#C8B653

Tritanopia (blue-blind)

#13CFB8

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #42d545;
/* rgb */ color: rgb(66, 213, 69);
/* oklch */ color: oklch(76.8% 0.222 143.3);

Tailwind

colors: {
  custom: {
    50: '#8ae37f',
    500: '#42d545',
    950: '#000000',
  },
}

SCSS

$custom: #42d545;
$custom-light: #8ae37f;
$custom-dark: #000000;

JSON

{
  "hex": "#42d545",
  "rgb": {
    "r": 66,
    "g": 213,
    "b": 69
  },
  "hsl": {
    "h": 121.224,
    "s": 63.636,
    "l": 54.706
  },
  "oklch": {
    "l": 0.76767,
    "c": 0.22167,
    "h": 143.3
  },
  "luminance": 0.49176
}

Semantic roles & 50–950 ramp

primary

#42D545

secondary

#D89AD7

accent

#41E3E7

background

#F9FEF8

surface

#F2FCEF

border

#CCD5CA

text

#0D160B

muted

#7E847C

Preview Lab

Preview with #42D545

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

Preview Lab → · Contrast checker → · Palette generator →