#42B657#42B657

#42B657 is a light, vivid green. Relative luminance 0.353; OKLCH L 68.9% C 0.170 H 146.8°. Best body text is #000000 at 8.06:1 contrast (WCAG AA passes).

Color values

HEX	#42B657
RGB	rgb(66, 182, 87)
HSL	hsl(131, 47%, 49%)
HSV	hsv(131, 64%, 71%)
CMYK	cmyk(63.7%, 0%, 52.2%, 28.6%)
CIE-LAB	lab(65.98, -52.58, 38.66)
CIE-LCH	lch(65.98, 65.26, 143.67°)
OKLab	oklab(68.9% -0.142 0.0931)
OKLCH	oklch(68.9% 0.17 146.8)
XYZ	xyz(20.6936, 35.3002, 14.7380)
Luminance	0.3530 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B657 #B642A1

analogous

#67B642 #42B657 #42B691

triadic

#42B657 #5742B6 #B65742

tetradic

#42B657 #4267B6 #B642A1 #B69142

square

#42B657 #4267B6 #B642A1 #B69142

split-complementary

#42B657 #9142B6 #B64267

monochromatic

#215C2C #328942 #42B657 #6CCA7D #99DAA4

Accessibility & contrast

On white

2.61

#42B657 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.06

#42B657 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B657

8.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B657	#FFFFFF	#000000	##000000
##42B657	1.00	2.61	8.06	8.06
#FFFFFF	2.61	1.00	21.00	21.00
#000000	8.06	21.00	1.00	1.00
##000000	8.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8A64F

Deuteranopia (green-blind)

#AA9C5E

Tritanopia (blue-blind)

#21B2A0

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #42b657;
/* rgb */ color: rgb(66, 182, 87);
/* oklch */ color: oklch(68.9% 0.170 146.8);

Tailwind

colors: {
  custom: {
    50: '#83cd88',
    500: '#42b657',
    950: '#000000',
  },
}

SCSS

$custom: #42b657;
$custom-light: #83cd88;
$custom-dark: #000000;

JSON

{
  "hex": "#42b657",
  "rgb": {
    "r": 66,
    "g": 182,
    "b": 87
  },
  "hsl": {
    "h": 130.862,
    "s": 46.774,
    "l": 48.627
  },
  "oklch": {
    "l": 0.68904,
    "c": 0.16982,
    "h": 146.8
  },
  "luminance": 0.35302
}

Semantic roles & 50–950 ramp

primary

#42B657

secondary

#C68EBC

accent

#51BED6

background

#F8FCF8

surface

#F0F9F0

border

#CBD2CB

text

#0C130B

muted

#7D827C

Preview Lab

Preview with #42B657

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

Preview Lab → · Contrast checker → · Palette generator →