#42CA19#42CA19

#42CA19 is a light, highly saturated green. Relative luminance 0.435; OKLCH L 73.6% C 0.231 H 140.3°. Best body text is #000000 at 9.69:1 contrast (WCAG AA passes).

Color values

HEX	#42CA19
RGB	rgb(66, 202, 25)
HSL	hsl(106, 78%, 45%)
HSV	hsv(106, 88%, 79%)
CMYK	cmyk(67.3%, 0%, 87.6%, 20.8%)
CIE-LAB	lab(71.87, -64.75, 67.49)
CIE-LCH	lch(71.87, 93.53, 133.81°)
OKLab	oklab(73.63% -0.1776 0.1475)
OKLCH	oklch(73.63% 0.231 140.3)
XYZ	xyz(23.5416, 43.4670, 8.0688)
Luminance	0.4347 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42CA19 #A119CA

analogous

#9BCA19 #42CA19 #19CA49

triadic

#42CA19 #1942CA #CA1942

tetradic

#42CA19 #199BCA #A119CA #CA4919

square

#42CA19 #199BCA #A119CA #CA4919

split-complementary

#42CA19 #4919CA #CA199B

monochromatic

#1E5D0C #309412 #42CA19 #62E73A #8DED70

Accessibility & contrast

On white

2.17

#42CA19 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.69

#42CA19 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42CA19

9.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42CA19	#FFFFFF	#000000	##000000
##42CA19	1.00	2.17	9.69	9.69
#FFFFFF	2.17	1.00	21.00	21.00
#000000	9.69	21.00	1.00	1.00
##000000	9.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0B700

Deuteranopia (green-blind)

#C0AC34

Tritanopia (blue-blind)

#28C3AC

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #42ca19;
/* rgb */ color: rgb(66, 202, 25);
/* oklch */ color: oklch(73.6% 0.231 140.3);

Tailwind

colors: {
  custom: {
    50: '#8adb6b',
    500: '#42ca19',
    950: '#000000',
  },
}

SCSS

$custom: #42ca19;
$custom-light: #8adb6b;
$custom-dark: #000000;

JSON

{
  "hex": "#42ca19",
  "rgb": {
    "r": 66,
    "g": 202,
    "b": 25
  },
  "hsl": {
    "h": 106.102,
    "s": 77.974,
    "l": 44.51
  },
  "oklch": {
    "l": 0.73634,
    "c": 0.23085,
    "h": 140.3
  },
  "luminance": 0.43469
}

Semantic roles & 50–950 ramp

primary

#42CA19

secondary

#BB6BD4

accent

#33F4C8

background

#F9FDF6

surface

#F2FBEC

border

#CCD4C7

text

#0D1508

muted

#7E837A

Preview Lab

Preview with #42CA19

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

Preview Lab → · Contrast checker → · Palette generator →