#42B738#42B738

#42B738 is a light, vivid green. Relative luminance 0.353; OKLCH L 68.8% C 0.196 H 142.0°. Best body text is #000000 at 8.06:1 contrast (WCAG AA passes).

Color values

HEX	#42B738
RGB	rgb(66, 183, 56)
HSL	hsl(115, 53%, 47%)
HSV	hsv(115, 69%, 72%)
CMYK	cmyk(63.9%, 0%, 69.4%, 28.2%)
CIE-LAB	lab(65.99, -56.53, 52.63)
CIE-LCH	lch(65.99, 77.24, 137.05°)
OKLab	oklab(68.81% -0.1541 0.1204)
OKLCH	oklch(68.81% 0.196 142)
XYZ	xyz(19.8930, 35.3088, 9.5075)
Luminance	0.3531 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B738 #AD38B7

analogous

#81B738 #42B738 #38B76E

triadic

#42B738 #3842B7 #B73842

tetradic

#42B738 #3881B7 #AD38B7 #B76E38

square

#42B738 #3881B7 #AD38B7 #B76E38

split-complementary

#42B738 #6E38B7 #B73881

monochromatic

#20591B #31882A #42B738 #67CE5E #93DC8D

Accessibility & contrast

On white

2.60

#42B738 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.06

#42B738 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B738

8.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B738	#FFFFFF	#000000	##000000
##42B738	1.00	2.60	8.06	8.06
#FFFFFF	2.60	1.00	21.00	21.00
#000000	8.06	21.00	1.00	1.00
##000000	8.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BBA625

Deuteranopia (green-blind)

#AD9D44

Tritanopia (blue-blind)

#2CB19E

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #42b738;
/* rgb */ color: rgb(66, 183, 56);
/* oklch */ color: oklch(68.8% 0.196 142.0);

Tailwind

colors: {
  custom: {
    50: '#85ce75',
    500: '#42b738',
    950: '#000000',
  },
}

SCSS

$custom: #42b738;
$custom-light: #85ce75;
$custom-dark: #000000;

JSON

{
  "hex": "#42b738",
  "rgb": {
    "r": 66,
    "g": 183,
    "b": 56
  },
  "hsl": {
    "h": 115.276,
    "s": 53.138,
    "l": 46.863
  },
  "oklch": {
    "l": 0.68809,
    "c": 0.19552,
    "h": 142
  },
  "luminance": 0.35311
}

Semantic roles & 50–950 ramp

primary

#42B738

secondary

#C184C7

accent

#4BDDD1

background

#F8FCF7

surface

#F0F9ED

border

#CBD2C8

text

#0C1409

muted

#7D827B

Preview Lab

Preview with #42B738

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

Preview Lab → · Contrast checker → · Palette generator →