#42C139#42C139

#42C139 is a light, highly saturated green. Relative luminance 0.396; OKLCH L 71.5% C 0.207 H 142.2°. Best body text is #000000 at 8.92:1 contrast (WCAG AA passes).

Color values

HEX	#42C139
RGB	rgb(66, 193, 57)
HSL	hsl(116, 54%, 49%)
HSV	hsv(116, 70%, 76%)
CMYK	cmyk(65.8%, 0%, 70.5%, 24.3%)
CIE-LAB	lab(69.18, -59.90, 55.58)
CIE-LCH	lch(69.18, 81.71, 137.14°)
OKLab	oklab(71.45% -0.1631 0.1267)
OKLCH	oklch(71.45% 0.207 142.2)
XYZ	xyz(22.0540, 39.5913, 10.3497)
Luminance	0.3959 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C139 #B839C1

analogous

#86C139 #42C139 #39C174

triadic

#42C139 #3942C1 #C13942

tetradic

#42C139 #3986C1 #B839C1 #C17439

square

#42C139 #3986C1 #B839C1 #C17439

split-complementary

#42C139 #7439C1 #C13986

monochromatic

#22631D #32922B #42C139 #6DD266 #9AE095

Accessibility & contrast

On white

2.35

#42C139 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.92

#42C139 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C139

8.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C139	#FFFFFF	#000000	##000000
##42C139	1.00	2.35	8.92	8.92
#FFFFFF	2.35	1.00	21.00	21.00
#000000	8.92	21.00	1.00	1.00
##000000	8.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5AF23

Deuteranopia (green-blind)

#B6A546

Tritanopia (blue-blind)

#27BBA6

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #42c139;
/* rgb */ color: rgb(66, 193, 57);
/* oklch */ color: oklch(71.5% 0.207 142.2);

Tailwind

colors: {
  custom: {
    50: '#87d577',
    500: '#42c139',
    950: '#000000',
  },
}

SCSS

$custom: #42c139;
$custom-light: #87d577;
$custom-dark: #000000;

JSON

{
  "hex": "#42c139",
  "rgb": {
    "r": 66,
    "g": 193,
    "b": 57
  },
  "hsl": {
    "h": 116.029,
    "s": 54.4,
    "l": 49.02
  },
  "oklch": {
    "l": 0.71451,
    "c": 0.20654,
    "h": 142.2
  },
  "luminance": 0.39594
}

Semantic roles & 50–950 ramp

primary

#42C139

secondary

#C78BCB

accent

#4ADED4

background

#F8FDF7

surface

#F0FAEE

border

#CBD3C9

text

#0D1409

muted

#7D837B

Preview Lab

Preview with #42C139

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

Preview Lab → · Contrast checker → · Palette generator →