#40B357#40B357

#40B357 is a light, vivid green. Relative luminance 0.340; OKLCH L 68.1% C 0.167 H 147.2°. Best body text is #000000 at 7.80:1 contrast (WCAG AA passes).

Color values

HEX	#40B357
RGB	rgb(64, 179, 87)
HSL	hsl(132, 47%, 48%)
HSV	hsv(132, 64%, 70%)
CMYK	cmyk(64.2%, 0%, 51.4%, 29.8%)
CIE-LAB	lab(64.98, -51.87, 37.41)
CIE-LCH	lch(64.98, 63.95, 144.20°)
OKLab	oklab(68.06% -0.14 0.0903)
OKLCH	oklch(68.06% 0.167 147.2)
XYZ	xyz(19.9534, 34.0163, 14.5292)
Luminance	0.3402 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B357 #B3409C

analogous

#62B340 #40B357 #40B390

triadic

#40B357 #5740B3 #B35740

tetradic

#40B357 #4062B3 #B3409C #B39040

square

#40B357 #4062B3 #B3409C #B39040

split-complementary

#40B357 #9040B3 #B34062

monochromatic

#20592B #308641 #40B357 #67C97B #94D9A2

Accessibility & contrast

On white

2.69

#40B357 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.80

#40B357 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B357

7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B357	#FFFFFF	#000000	##000000
##40B357	1.00	2.69	7.80	7.80
#FFFFFF	2.69	1.00	21.00	21.00
#000000	7.80	21.00	1.00	1.00
##000000	7.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5A44F

Deuteranopia (green-blind)

#A79A5E

Tritanopia (blue-blind)

#1EAF9E

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #40b357;
/* rgb */ color: rgb(64, 179, 87);
/* oklch */ color: oklch(68.1% 0.167 147.2);

Tailwind

colors: {
  custom: {
    50: '#82cb88',
    500: '#40b357',
    950: '#000000',
  },
}

SCSS

$custom: #40b357;
$custom-light: #82cb88;
$custom-dark: #000000;

JSON

{
  "hex": "#40b357",
  "rgb": {
    "r": 64,
    "g": 179,
    "b": 87
  },
  "hsl": {
    "h": 132,
    "s": 47.325,
    "l": 47.647
  },
  "oklch": {
    "l": 0.68059,
    "c": 0.16665,
    "h": 147.2
  },
  "luminance": 0.34018
}

Semantic roles & 50–950 ramp

primary

#40B357

secondary

#C48AB9

accent

#51BCD7

background

#F8FCF8

surface

#F0F9F0

border

#CBD2CB

text

#0C130B

muted

#7D827C

Preview Lab

Preview with #40B357

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

Preview Lab → · Contrast checker → · Palette generator →