#42B751#42B751

#42B751 is a light, vivid green. Relative luminance 0.356; OKLCH L 69.1% C 0.176 H 145.5°. Best body text is #000000 at 8.12:1 contrast (WCAG AA passes).

Color values

HEX	#42B751
RGB	rgb(66, 183, 81)
HSL	hsl(128, 47%, 49%)
HSV	hsv(128, 64%, 72%)
CMYK	cmyk(63.9%, 0%, 55.7%, 28.2%)
CIE-LAB	lab(66.23, -53.77, 41.87)
CIE-LCH	lch(66.23, 68.15, 142.09°)
OKLab	oklab(69.08% -0.1454 0.0998)
OKLCH	oklch(69.08% 0.176 145.5)
XYZ	xyz(20.6641, 35.6172, 13.5688)
Luminance	0.3562 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B751 #B742A8

analogous

#6EB742 #42B751 #42B78C

triadic

#42B751 #5142B7 #B75142

tetradic

#42B751 #426EB7 #B742A8 #B78C42

square

#42B751 #426EB7 #B742A8 #B78C42

split-complementary

#42B751 #8C42B7 #B7426E

monochromatic

#225D29 #328A3D #42B751 #6CCA78 #99DAA1

Accessibility & contrast

On white

2.58

#42B751 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.12

#42B751 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B751

8.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B751	#FFFFFF	#000000	##000000
##42B751	1.00	2.58	8.12	8.12
#FFFFFF	2.58	1.00	21.00	21.00
#000000	8.12	21.00	1.00	1.00
##000000	8.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BAA747

Deuteranopia (green-blind)

#AB9D59

Tritanopia (blue-blind)

#24B3A0

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #42b751;
/* rgb */ color: rgb(66, 183, 81);
/* oklch */ color: oklch(69.1% 0.176 145.5);

Tailwind

colors: {
  custom: {
    50: '#84ce84',
    500: '#42b751',
    950: '#000000',
  },
}

SCSS

$custom: #42b751;
$custom-light: #84ce84;
$custom-dark: #000000;

JSON

{
  "hex": "#42b751",
  "rgb": {
    "r": 66,
    "g": 183,
    "b": 81
  },
  "hsl": {
    "h": 127.692,
    "s": 46.988,
    "l": 48.824
  },
  "oklch": {
    "l": 0.69083,
    "c": 0.17639,
    "h": 145.5
  },
  "luminance": 0.35619
}

Semantic roles & 50–950 ramp

primary

#42B751

secondary

#C68FBF

accent

#51C6D7

background

#F8FCF8

surface

#F0F9EF

border

#CBD2CA

text

#0C140B

muted

#7D827C

Preview Lab

Preview with #42B751

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

Preview Lab → · Contrast checker → · Palette generator →