#42B554#42B554

#42B554 is a light, vivid green. Relative luminance 0.348; OKLCH L 68.6% C 0.171 H 146.2°. Best body text is #000000 at 7.97:1 contrast (WCAG AA passes).

Color values

HEX	#42B554
RGB	rgb(66, 181, 84)
HSL	hsl(129, 47%, 48%)
HSV	hsv(129, 64%, 71%)
CMYK	cmyk(63.5%, 0%, 53.6%, 29%)
CIE-LAB	lab(65.63, -52.63, 39.70)
CIE-LCH	lch(65.63, 65.92, 142.97°)
OKLab	oklab(68.6% -0.1422 0.0952)
OKLCH	oklch(68.6% 0.171 146.2)
XYZ	xyz(20.3695, 34.8441, 14.0379)
Luminance	0.3485 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B554 #B542A3

analogous

#69B542 #42B554 #42B58D

triadic

#42B554 #5442B5 #B55442

tetradic

#42B554 #4269B5 #B542A3 #B58D42

square

#42B554 #4269B5 #B542A3 #B58D42

split-complementary

#42B554 #8D42B5 #B54269

monochromatic

#215B2A #32883F #42B554 #6BC97A #98D9A2

Accessibility & contrast

On white

2.64

#42B554 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.97

#42B554 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B554

7.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B554	#FFFFFF	#000000	##000000
##42B554	1.00	2.64	7.97	7.97
#FFFFFF	2.64	1.00	21.00	21.00
#000000	7.97	21.00	1.00	1.00
##000000	7.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8A54B

Deuteranopia (green-blind)

#A99C5B

Tritanopia (blue-blind)

#23B19F

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #42b554;
/* rgb */ color: rgb(66, 181, 84);
/* oklch */ color: oklch(68.6% 0.171 146.2);

Tailwind

colors: {
  custom: {
    50: '#83cc86',
    500: '#42b554',
    950: '#000000',
  },
}

SCSS

$custom: #42b554;
$custom-light: #83cc86;
$custom-dark: #000000;

JSON

{
  "hex": "#42b554",
  "rgb": {
    "r": 66,
    "g": 181,
    "b": 84
  },
  "hsl": {
    "h": 129.391,
    "s": 46.559,
    "l": 48.431
  },
  "oklch": {
    "l": 0.686,
    "c": 0.17118,
    "h": 146.2
  },
  "luminance": 0.34846
}

Semantic roles & 50–950 ramp

primary

#42B554

secondary

#C58EBD

accent

#52C1D6

background

#F8FCF8

surface

#F0F9EF

border

#CBD2CA

text

#0C130B

muted

#7D827C

Preview Lab

Preview with #42B554

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

Preview Lab → · Contrast checker → · Palette generator →