#40B366#40B366

#40B366 is a light, vivid green. Relative luminance 0.343; OKLCH L 68.3% C 0.153 H 151.0°. Best body text is #000000 at 7.86:1 contrast (WCAG AA passes).

Color values

HEX	#40B366
RGB	rgb(64, 179, 102)
HSL	hsl(140, 47%, 48%)
HSV	hsv(140, 64%, 70%)
CMYK	cmyk(64.2%, 0%, 43%, 29.8%)
CIE-LAB	lab(65.19, -49.47, 30.02)
CIE-LCH	lch(65.19, 57.86, 148.75°)
OKLab	oklab(68.31% -0.1335 0.0741)
OKLCH	oklch(68.31% 0.153 151)
XYZ	xyz(20.6311, 34.2874, 18.0987)
Luminance	0.3429 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B366 #B3408D

analogous

#54B340 #40B366 #40B39F

triadic

#40B366 #6640B3 #B36640

tetradic

#40B366 #4054B3 #B3408D #B39F40

square

#40B366 #4054B3 #B3408D #B39F40

split-complementary

#40B366 #9F40B3 #B34054

monochromatic

#205933 #30864C #40B366 #67C988 #94D9AB

Accessibility & contrast

On white

2.67

#40B366 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.86

#40B366 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B366

7.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B366	#FFFFFF	#000000	##000000
##40B366	1.00	2.67	7.86	7.86
#FFFFFF	2.67	1.00	21.00	21.00
#000000	7.86	21.00	1.00	1.00
##000000	7.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B4A460

Deuteranopia (green-blind)

#A59A6B

Tritanopia (blue-blind)

#12B0A0

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #40b366;
/* rgb */ color: rgb(64, 179, 102);
/* oklch */ color: oklch(68.3% 0.153 151.0);

Tailwind

colors: {
  custom: {
    50: '#81cb92',
    500: '#40b366',
    950: '#000000',
  },
}

SCSS

$custom: #40b366;
$custom-light: #81cb92;
$custom-dark: #000000;

JSON

{
  "hex": "#40b366",
  "rgb": {
    "r": 64,
    "g": 179,
    "b": 102
  },
  "hsl": {
    "h": 139.826,
    "s": 47.325,
    "l": 47.647
  },
  "oklch": {
    "l": 0.68306,
    "c": 0.15274,
    "h": 151
  },
  "luminance": 0.34289
}

Semantic roles & 50–950 ramp

primary

#40B366

secondary

#C48AB1

accent

#51ABD7

background

#F8FCF9

surface

#F0F9F1

border

#CBD2CB

text

#0B130D

muted

#7C827E

Preview Lab

Preview with #40B366

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

Preview Lab → · Contrast checker → · Palette generator →