#42BC3B#42BC3B

#42BC3B is a light, vivid green. Relative luminance 0.374; OKLCH L 70.2% C 0.199 H 142.3°. Best body text is #000000 at 8.49:1 contrast (WCAG AA passes).

Color values

HEX	#42BC3B
RGB	rgb(66, 188, 59)
HSL	hsl(117, 52%, 48%)
HSV	hsv(117, 69%, 74%)
CMYK	cmyk(64.9%, 0%, 68.6%, 26.3%)
CIE-LAB	lab(67.60, -58.01, 53.15)
CIE-LCH	lch(67.60, 78.67, 137.50°)
OKLab	oklab(70.15% -0.1579 0.1218)
OKLCH	oklch(70.15% 0.199 142.3)
XYZ	xyz(21.0182, 37.4383, 10.2555)
Luminance	0.3744 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42BC3B #B53BBC

analogous

#82BC3B #42BC3B #3BBC74

triadic

#42BC3B #3B42BC #BC3B42

tetradic

#42BC3B #3B82BC #B53BBC #BC743B

square

#42BC3B #3B82BC #B53BBC #BC743B

split-complementary

#42BC3B #743BBC #BC3B82

monochromatic

#215F1E #328D2C #42BC3B #6BCF65 #98DD94

Accessibility & contrast

On white

2.47

#42BC3B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.49

#42BC3B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BC3B

8.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42BC3B	#FFFFFF	#000000	##000000
##42BC3B	1.00	2.47	8.49	8.49
#FFFFFF	2.47	1.00	21.00	21.00
#000000	8.49	21.00	1.00	1.00
##000000	8.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C0AB28

Deuteranopia (green-blind)

#B2A147

Tritanopia (blue-blind)

#29B6A2

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #42bc3b;
/* rgb */ color: rgb(66, 188, 59);
/* oklch */ color: oklch(70.2% 0.199 142.3);

Tailwind

colors: {
  custom: {
    50: '#86d177',
    500: '#42bc3b',
    950: '#000000',
  },
}

SCSS

$custom: #42bc3b;
$custom-light: #86d177;
$custom-dark: #000000;

JSON

{
  "hex": "#42bc3b",
  "rgb": {
    "r": 66,
    "g": 188,
    "b": 59
  },
  "hsl": {
    "h": 116.744,
    "s": 52.227,
    "l": 48.431
  },
  "oklch": {
    "l": 0.70154,
    "c": 0.19943,
    "h": 142.3
  },
  "luminance": 0.3744
}

Semantic roles & 50–950 ramp

primary

#42BC3B

secondary

#C58AC9

accent

#4CDCD4

background

#F8FDF7

surface

#F0FAEE

border

#CBD3C9

text

#0C1409

muted

#7D837B

Preview Lab

Preview with #42BC3B

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

Preview Lab → · Contrast checker → · Palette generator →