#40B04F#40B04F

#40B04F is a light, vivid green. Relative luminance 0.327; OKLCH L 67.2% C 0.170 H 145.7°. Best body text is #000000 at 7.54:1 contrast (WCAG AA passes).

Color values

HEX	#40B04F
RGB	rgb(64, 176, 79)
HSL	hsl(128, 47%, 47%)
HSV	hsv(128, 64%, 69%)
CMYK	cmyk(63.6%, 0%, 55.1%, 31%)
CIE-LAB	lab(63.92, -51.87, 40.06)
CIE-LCH	lch(63.92, 65.54, 142.32°)
OKLab	oklab(67.16% -0.1403 0.0957)
OKLCH	oklch(67.16% 0.17 145.7)
XYZ	xyz(19.0497, 32.7033, 12.7041)
Luminance	0.3271 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B04F #B040A1

analogous

#69B040 #40B04F #40B087

triadic

#40B04F #4F40B0 #B04F40

tetradic

#40B04F #4069B0 #B040A1 #B08740

square

#40B04F #4069B0 #B040A1 #B08740

split-complementary

#40B04F #8740B0 #B04069

monochromatic

#1F5627 #30833B #40B04F #66C773 #93D89C

Accessibility & contrast

On white

2.78

#40B04F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.54

#40B04F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B04F

7.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B04F	#FFFFFF	#000000	##000000
##40B04F	1.00	2.78	7.54	7.54
#FFFFFF	2.78	1.00	21.00	21.00
#000000	7.54	21.00	1.00	1.00
##000000	7.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B3A146

Deuteranopia (green-blind)

#A59756

Tritanopia (blue-blind)

#23AC9A

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #40b04f;
/* rgb */ color: rgb(64, 176, 79);
/* oklch */ color: oklch(67.2% 0.170 145.7);

Tailwind

colors: {
  custom: {
    50: '#81c883',
    500: '#40b04f',
    950: '#000000',
  },
}

SCSS

$custom: #40b04f;
$custom-light: #81c883;
$custom-dark: #000000;

JSON

{
  "hex": "#40b04f",
  "rgb": {
    "r": 64,
    "g": 176,
    "b": 79
  },
  "hsl": {
    "h": 128.036,
    "s": 46.667,
    "l": 47.059
  },
  "oklch": {
    "l": 0.67156,
    "c": 0.16982,
    "h": 145.7
  },
  "luminance": 0.32705
}

Semantic roles & 50–950 ramp

primary

#40B04F

secondary

#C389BB

accent

#51C5D6

background

#F8FCF8

surface

#F0F8EF

border

#CBD1CA

text

#0B130B

muted

#7C827C

Preview Lab

Preview with #40B04F

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

Preview Lab → · Contrast checker → · Palette generator →