#42B545#42B545

#42B545 is a light, vivid green. Relative luminance 0.346; OKLCH L 68.4% C 0.184 H 143.6°. Best body text is #000000 at 7.93:1 contrast (WCAG AA passes).

Color values

HEX	#42B545
RGB	rgb(66, 181, 69)
HSL	hsl(122, 47%, 48%)
HSV	hsv(122, 64%, 71%)
CMYK	cmyk(63.5%, 0%, 61.9%, 29%)
CIE-LAB	lab(65.46, -54.51, 46.55)
CIE-LCH	lch(65.46, 71.69, 139.50°)
OKLab	oklab(68.41% -0.1479 0.1089)
OKLCH	oklch(68.41% 0.184 143.6)
XYZ	xyz(19.8436, 34.6337, 11.2683)
Luminance	0.3464 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B545 #B542B2

analogous

#78B542 #42B545 #42B57E

triadic

#42B545 #4542B5 #B54542

tetradic

#42B545 #4278B5 #B542B2 #B57E42

square

#42B545 #4278B5 #B542B2 #B57E42

split-complementary

#42B545 #7E42B5 #B54278

monochromatic

#215B23 #328834 #42B545 #6BC96E #98D99A

Accessibility & contrast

On white

2.65

#42B545 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.93

#42B545 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B545

7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B545	#FFFFFF	#000000	##000000
##42B545	1.00	2.65	7.93	7.93
#FFFFFF	2.65	1.00	21.00	21.00
#000000	7.93	21.00	1.00	1.00
##000000	7.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9A538

Deuteranopia (green-blind)

#AA9B4E

Tritanopia (blue-blind)

#29B09D

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #42b545;
/* rgb */ color: rgb(66, 181, 69);
/* oklch */ color: oklch(68.4% 0.184 143.6);

Tailwind

colors: {
  custom: {
    50: '#84cc7d',
    500: '#42b545',
    950: '#000000',
  },
}

SCSS

$custom: #42b545;
$custom-light: #84cc7d;
$custom-dark: #000000;

JSON

{
  "hex": "#42b545",
  "rgb": {
    "r": 66,
    "g": 181,
    "b": 69
  },
  "hsl": {
    "h": 121.565,
    "s": 46.559,
    "l": 48.431
  },
  "oklch": {
    "l": 0.68411,
    "c": 0.18371,
    "h": 143.6
  },
  "luminance": 0.34636
}

Semantic roles & 50–950 ramp

primary

#42B545

secondary

#C58EC4

accent

#52D3D6

background

#F8FCF7

surface

#F0F9EE

border

#CBD2C9

text

#0C130A

muted

#7D827C

Preview Lab

Preview with #42B545

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

Preview Lab → · Contrast checker → · Palette generator →