#40B05F#40B05F

#40B05F is a light, vivid green. Relative luminance 0.330; OKLCH L 67.4% C 0.155 H 149.4°. Best body text is #000000 at 7.59:1 contrast (WCAG AA passes).

Color values

HEX	#40B05F
RGB	rgb(64, 176, 95)
HSL	hsl(137, 47%, 47%)
HSV	hsv(137, 64%, 69%)
CMYK	cmyk(63.6%, 0%, 46%, 31%)
CIE-LAB	lab(64.13, -49.48, 32.29)
CIE-LCH	lch(64.13, 59.09, 146.87°)
OKLab	oklab(67.4% -0.1336 0.0791)
OKLCH	oklch(67.4% 0.155 149.4)
XYZ	xyz(19.7038, 32.9649, 16.1487)
Luminance	0.3297 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B05F #B04091

analogous

#59B040 #40B05F #40B097

triadic

#40B05F #5F40B0 #B05F40

tetradic

#40B05F #4059B0 #B04091 #B09740

square

#40B05F #4059B0 #B04091 #B09740

split-complementary

#40B05F #9740B0 #B04059

monochromatic

#1F562F #308347 #40B05F #66C781 #93D8A6

Accessibility & contrast

On white

2.77

#40B05F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.59

#40B05F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B05F

7.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B05F	#FFFFFF	#000000	##000000
##40B05F	1.00	2.77	7.59	7.59
#FFFFFF	2.77	1.00	21.00	21.00
#000000	7.59	21.00	1.00	1.00
##000000	7.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B1A159

Deuteranopia (green-blind)

#A39865

Tritanopia (blue-blind)

#1AAD9D

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #40b05f;
/* rgb */ color: rgb(64, 176, 95);
/* oklch */ color: oklch(67.4% 0.155 149.4);

Tailwind

colors: {
  custom: {
    50: '#81c88d',
    500: '#40b05f',
    950: '#000000',
  },
}

SCSS

$custom: #40b05f;
$custom-light: #81c88d;
$custom-dark: #000000;

JSON

{
  "hex": "#40b05f",
  "rgb": {
    "r": 64,
    "g": 176,
    "b": 95
  },
  "hsl": {
    "h": 136.607,
    "s": 46.667,
    "l": 47.059
  },
  "oklch": {
    "l": 0.674,
    "c": 0.15524,
    "h": 149.4
  },
  "luminance": 0.32967
}

Semantic roles & 50–950 ramp

primary

#40B05F

secondary

#C389B3

accent

#51B2D6

background

#F8FCF8

surface

#F0F8F0

border

#CBD1CB

text

#0B130C

muted

#7C827D

Preview Lab

Preview with #40B05F

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

Preview Lab → · Contrast checker → · Palette generator →