#42CA38#42CA38

#42CA38 is a light, highly saturated green. Relative luminance 0.437; OKLCH L 73.8% C 0.217 H 142.1°. Best body text is #000000 at 9.74:1 contrast (WCAG AA passes).

Color values

HEX	#42CA38
RGB	rgb(66, 202, 56)
HSL	hsl(116, 58%, 51%)
HSV	hsv(116, 72%, 79%)
CMYK	cmyk(67.3%, 0%, 72.3%, 20.8%)
CIE-LAB	lab(72.02, -63.00, 58.88)
CIE-LCH	lch(72.02, 86.23, 136.94°)
OKLab	oklab(73.8% -0.1715 0.1335)
OKLCH	oklch(73.8% 0.217 142.1)
XYZ	xyz(24.0798, 43.6823, 10.9031)
Luminance	0.4369 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42CA38 #C038CA

analogous

#8BCA38 #42CA38 #38CA77

triadic

#42CA38 #3842CA #CA3842

tetradic

#42CA38 #388BCA #C038CA #CA7738

square

#42CA38 #388BCA #C038CA #CA7738

split-complementary

#42CA38 #7738CA #CA388B

monochromatic

#226B1D #319B29 #42CA38 #70D768 #9EE499

Accessibility & contrast

On white

2.16

#42CA38 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.74

#42CA38 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42CA38

9.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42CA38	#FFFFFF	#000000	##000000
##42CA38	1.00	2.16	9.74	9.74
#FFFFFF	2.16	1.00	21.00	21.00
#000000	9.74	21.00	1.00	1.00
##000000	9.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFB71E

Deuteranopia (green-blind)

#BFAC47

Tritanopia (blue-blind)

#22C4AE

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #42ca38;
/* rgb */ color: rgb(66, 202, 56);
/* oklch */ color: oklch(73.8% 0.217 142.1);

Tailwind

colors: {
  custom: {
    50: '#88db77',
    500: '#42ca38',
    950: '#000000',
  },
}

SCSS

$custom: #42ca38;
$custom-light: #88db77;
$custom-dark: #000000;

JSON

{
  "hex": "#42ca38",
  "rgb": {
    "r": 66,
    "g": 202,
    "b": 56
  },
  "hsl": {
    "h": 115.89,
    "s": 57.937,
    "l": 50.588
  },
  "oklch": {
    "l": 0.73801,
    "c": 0.21735,
    "h": 142.1
  },
  "luminance": 0.43685
}

Semantic roles & 50–950 ramp

primary

#42CA38

secondary

#CB8ECF

accent

#47E1D7

background

#F9FDF7

surface

#F1FBEE

border

#CBD4C9

text

#0D1509

muted

#7E837B

Preview Lab

Preview with #42CA38

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

Preview Lab → · Contrast checker → · Palette generator →