#40B23A#40B23A

#40B23A is a light, vivid green. Relative luminance 0.332; OKLCH L 67.4% C 0.189 H 142.4°. Best body text is #000000 at 7.65:1 contrast (WCAG AA passes).

Color values

HEX	#40B23A
RGB	rgb(64, 178, 58)
HSL	hsl(117, 51%, 46%)
HSV	hsv(117, 67%, 70%)
CMYK	cmyk(64%, 0%, 67.4%, 30.2%)
CIE-LAB	lab(64.35, -55.03, 50.06)
CIE-LCH	lch(64.35, 74.39, 137.71°)
OKLab	oklab(67.44% -0.1497 0.1152)
OKLCH	oklch(67.44% 0.189 142.4)
XYZ	xyz(18.7974, 33.2344, 9.4264)
Luminance	0.3324 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B23A #AC3AB2

analogous

#7CB23A #40B23A #3AB270

triadic

#40B23A #3A40B2 #B23A40

tetradic

#40B23A #3A7CB2 #AC3AB2 #B2703A

square

#40B23A #3A7CB2 #AC3AB2 #B2703A

split-complementary

#40B23A #703AB2 #B23A7C

monochromatic

#1F561C #2F842B #40B23A #64CB5F #91DA8D

Accessibility & contrast

On white

2.75

#40B23A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.65

#40B23A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B23A

7.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B23A	#FFFFFF	#000000	##000000
##40B23A	1.00	2.75	7.65	7.65
#FFFFFF	2.75	1.00	21.00	21.00
#000000	7.65	21.00	1.00	1.00
##000000	7.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6A22A

Deuteranopia (green-blind)

#A89845

Tritanopia (blue-blind)

#29AD9A

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #40b23a;
/* rgb */ color: rgb(64, 178, 58);
/* oklch */ color: oklch(67.4% 0.189 142.4);

Tailwind

colors: {
  custom: {
    50: '#83ca76',
    500: '#40b23a',
    950: '#000000',
  },
}

SCSS

$custom: #40b23a;
$custom-light: #83ca76;
$custom-dark: #000000;

JSON

{
  "hex": "#40b23a",
  "rgb": {
    "r": 64,
    "g": 178,
    "b": 58
  },
  "hsl": {
    "h": 117,
    "s": 50.847,
    "l": 46.275
  },
  "oklch": {
    "l": 0.67444,
    "c": 0.18896,
    "h": 142.4
  },
  "luminance": 0.33236
}

Semantic roles & 50–950 ramp

primary

#40B23A

secondary

#C183C4

accent

#4DDAD3

background

#F8FCF7

surface

#F0F8ED

border

#CBD1C8

text

#0C1309

muted

#7D827B

Preview Lab

Preview with #40B23A

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

Preview Lab → · Contrast checker → · Palette generator →