#42BC51#42BC51

#42BC51 is a light, vivid green. Relative luminance 0.377; OKLCH L 70.4% C 0.183 H 145.3°. Best body text is #000000 at 8.54:1 contrast (WCAG AA passes).

Color values

HEX	#42BC51
RGB	rgb(66, 188, 81)
HSL	hsl(127, 48%, 50%)
HSV	hsv(127, 65%, 74%)
CMYK	cmyk(64.9%, 0%, 56.9%, 26.3%)
CIE-LAB	lab(67.81, -55.60, 43.75)
CIE-LCH	lch(67.81, 70.75, 141.80°)
OKLab	oklab(70.39% -0.1504 0.1039)
OKLCH	oklch(70.39% 0.183 145.3)
XYZ	xyz(21.7138, 37.7166, 13.9187)
Luminance	0.3772 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42BC51 #BC42AD

analogous

#70BC42 #42BC51 #42BC8E

triadic

#42BC51 #5142BC #BC5142

tetradic

#42BC51 #4270BC #BC42AD #BC8E42

square

#42BC51 #4270BC #BC42AD #BC8E42

split-complementary

#42BC51 #8E42BC #BC4270

monochromatic

#22612A #328F3D #42BC51 #6FCC7A #9CDCA4

Accessibility & contrast

On white

2.46

#42BC51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.54

#42BC51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BC51

8.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42BC51	#FFFFFF	#000000	##000000
##42BC51	1.00	2.46	8.54	8.54
#FFFFFF	2.46	1.00	21.00	21.00
#000000	8.54	21.00	1.00	1.00
##000000	8.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BFAB47

Deuteranopia (green-blind)

#B0A159

Tritanopia (blue-blind)

#21B7A4

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #42bc51;
/* rgb */ color: rgb(66, 188, 81);
/* oklch */ color: oklch(70.4% 0.183 145.3);

Tailwind

colors: {
  custom: {
    50: '#85d185',
    500: '#42bc51',
    950: '#000000',
  },
}

SCSS

$custom: #42bc51;
$custom-light: #85d185;
$custom-dark: #000000;

JSON

{
  "hex": "#42bc51",
  "rgb": {
    "r": 66,
    "g": 188,
    "b": 81
  },
  "hsl": {
    "h": 127.377,
    "s": 48.031,
    "l": 49.804
  },
  "oklch": {
    "l": 0.70391,
    "c": 0.18277,
    "h": 145.3
  },
  "luminance": 0.37719
}

Semantic roles & 50–950 ramp

primary

#42BC51

secondary

#C991C2

accent

#50C7D8

background

#F8FDF8

surface

#F0FAEF

border

#CBD3CA

text

#0C140B

muted

#7D837C

Preview Lab

Preview with #42BC51

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

Preview Lab → · Contrast checker → · Palette generator →