#40B259#40B259

#40B259 is a light, vivid green. Relative luminance 0.337; OKLCH L 67.8% C 0.164 H 147.7°. Best body text is #000000 at 7.73:1 contrast (WCAG AA passes).

Color values

HEX	#40B259
RGB	rgb(64, 178, 89)
HSL	hsl(133, 47%, 47%)
HSV	hsv(133, 64%, 70%)
CMYK	cmyk(64%, 0%, 50%, 30.2%)
CIE-LAB	lab(64.68, -51.19, 36.05)
CIE-LCH	lch(64.68, 62.61, 144.85°)
OKLab	oklab(67.83% -0.1382 0.0874)
OKLCH	oklch(67.83% 0.164 147.7)
XYZ	xyz(19.8365, 33.6500, 14.8990)
Luminance	0.3365 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B259 #B24099

analogous

#60B240 #40B259 #40B292

triadic

#40B259 #5940B2 #B25940

tetradic

#40B259 #4060B2 #B24099 #B29240

square

#40B259 #4060B2 #B24099 #B29240

split-complementary

#40B259 #9240B2 #B24060

monochromatic

#20582C #308542 #40B259 #67C87C #94D8A3

Accessibility & contrast

On white

2.72

#40B259 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.73

#40B259 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B259

7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B259	#FFFFFF	#000000	##000000
##40B259	1.00	2.72	7.73	7.73
#FFFFFF	2.72	1.00	21.00	21.00
#000000	7.73	21.00	1.00	1.00
##000000	7.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B4A352

Deuteranopia (green-blind)

#A6995F

Tritanopia (blue-blind)

#1DAE9D

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #40b259;
/* rgb */ color: rgb(64, 178, 89);
/* oklch */ color: oklch(67.8% 0.164 147.7);

Tailwind

colors: {
  custom: {
    50: '#81ca89',
    500: '#40b259',
    950: '#000000',
  },
}

SCSS

$custom: #40b259;
$custom-light: #81ca89;
$custom-dark: #000000;

JSON

{
  "hex": "#40b259",
  "rgb": {
    "r": 64,
    "g": 178,
    "b": 89
  },
  "hsl": {
    "h": 133.158,
    "s": 47.107,
    "l": 47.451
  },
  "oklch": {
    "l": 0.67827,
    "c": 0.16351,
    "h": 147.7
  },
  "luminance": 0.33652
}

Semantic roles & 50–950 ramp

primary

#40B259

secondary

#C48AB7

accent

#51B9D7

background

#F8FCF8

surface

#F0F8F0

border

#CBD1CB

text

#0B130C

muted

#7C827D

Preview Lab

Preview with #40B259

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

Preview Lab → · Contrast checker → · Palette generator →