#40CB5F#40CB5F

#40CB5F is a light, vivid green. Relative luminance 0.446; OKLCH L 74.4% C 0.191 H 147.3°. Best body text is #000000 at 9.93:1 contrast (WCAG AA passes).

Color values

HEX	#40CB5F
RGB	rgb(64, 203, 95)
HSL	hsl(133, 57%, 52%)
HSV	hsv(133, 68%, 80%)
CMYK	cmyk(68.5%, 0%, 53.2%, 20.4%)
CIE-LAB	lab(72.64, -59.46, 42.88)
CIE-LCH	lch(72.64, 73.31, 144.20°)
OKLab	oklab(74.42% -0.1603 0.103)
OKLCH	oklch(74.42% 0.191 147.3)
XYZ	xyz(25.5340, 44.6253, 18.0921)
Luminance	0.4463 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40CB5F #CB40AC

analogous

#67CB40 #40CB5F #40CBA4

triadic

#40CB5F #5F40CB #CB5F40

tetradic

#40CB5F #4067CB #CB40AC #CBA440

square

#40CB5F #4067CB #CB40AC #CBA440

split-complementary

#40CB5F #A440CB #CB4067

monochromatic

#1F7231 #2CA246 #40CB5F #70D887 #A0E5B0

Accessibility & contrast

On white

2.12

#40CB5F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.93

#40CB5F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40CB5F

9.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40CB5F	#FFFFFF	#000000	##000000
##40CB5F	1.00	2.12	9.93	9.93
#FFFFFF	2.12	1.00	21.00	21.00
#000000	9.93	21.00	1.00	1.00
##000000	9.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CDB955

Deuteranopia (green-blind)

#BDAE67

Tritanopia (blue-blind)

#00C7B2

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #40cb5f;
/* rgb */ color: rgb(64, 203, 95);
/* oklch */ color: oklch(74.4% 0.191 147.3);

Tailwind

colors: {
  custom: {
    50: '#86dc8f',
    500: '#40cb5f',
    950: '#000000',
  },
}

SCSS

$custom: #40cb5f;
$custom-light: #86dc8f;
$custom-dark: #000000;

JSON

{
  "hex": "#40cb5f",
  "rgb": {
    "r": 64,
    "g": 203,
    "b": 95
  },
  "hsl": {
    "h": 133.381,
    "s": 57.202,
    "l": 52.353
  },
  "oklch": {
    "l": 0.74424,
    "c": 0.19053,
    "h": 147.3
  },
  "luminance": 0.44628
}

Semantic roles & 50–950 ramp

primary

#40CB5F

secondary

#D295C4

accent

#47BEE0

background

#F8FDF8

surface

#F0FBF0

border

#CBD4CB

text

#0D150C

muted

#7D837D

Preview Lab

Preview with #40CB5F

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

Preview Lab → · Contrast checker → · Palette generator →