#42BF3B#42BF3B

#42BF3B is a light, highly saturated green. Relative luminance 0.387; OKLCH L 70.9% C 0.203 H 142.4°. Best body text is #000000 at 8.75:1 contrast (WCAG AA passes).

Color values

HEX	#42BF3B
RGB	rgb(66, 191, 59)
HSL	hsl(117, 53%, 49%)
HSV	hsv(117, 69%, 75%)
CMYK	cmyk(65.4%, 0%, 69.1%, 25.1%)
CIE-LAB	lab(68.56, -59.04, 54.16)
CIE-LCH	lch(68.56, 80.12, 137.47°)
OKLab	oklab(70.94% -0.1607 0.124)
OKLCH	oklch(70.94% 0.203 142.4)
XYZ	xyz(21.6658, 38.7334, 10.4713)
Luminance	0.3874 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42BF3B #B83BBF

analogous

#84BF3B #42BF3B #3BBF76

triadic

#42BF3B #3B42BF #BF3B42

tetradic

#42BF3B #3B84BF #B83BBF #BF763B

square

#42BF3B #3B84BF #B83BBF #BF763B

split-complementary

#42BF3B #763BBF #BF3B84

monochromatic

#22611E #32902D #42BF3B #6DD067 #9ADF96

Accessibility & contrast

On white

2.40

#42BF3B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.75

#42BF3B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BF3B

8.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42BF3B	#FFFFFF	#000000	##000000
##42BF3B	1.00	2.40	8.75	8.75
#FFFFFF	2.40	1.00	21.00	21.00
#000000	8.75	21.00	1.00	1.00
##000000	8.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C3AD27

Deuteranopia (green-blind)

#B4A348

Tritanopia (blue-blind)

#27B9A5

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #42bf3b;
/* rgb */ color: rgb(66, 191, 59);
/* oklch */ color: oklch(70.9% 0.203 142.4);

Tailwind

colors: {
  custom: {
    50: '#86d378',
    500: '#42bf3b',
    950: '#000000',
  },
}

SCSS

$custom: #42bf3b;
$custom-light: #86d378;
$custom-dark: #000000;

JSON

{
  "hex": "#42bf3b",
  "rgb": {
    "r": 66,
    "g": 191,
    "b": 59
  },
  "hsl": {
    "h": 116.818,
    "s": 52.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.70943,
    "c": 0.20294,
    "h": 142.4
  },
  "luminance": 0.38736
}

Semantic roles & 50–950 ramp

primary

#42BF3B

secondary

#C78CCA

accent

#4CDCD5

background

#F8FDF7

surface

#F0FAEE

border

#CBD3C9

text

#0C1409

muted

#7D837B

Preview Lab

Preview with #42BF3B

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

Preview Lab → · Contrast checker → · Palette generator →