#40C37B#40C37B

#40C37B is a light, vivid green. Relative luminance 0.415; OKLCH L 72.8% C 0.155 H 155.0°. Best body text is #000000 at 9.31:1 contrast (WCAG AA passes).

Color values

HEX	#40C37B
RGB	rgb(64, 195, 123)
HSL	hsl(147, 52%, 51%)
HSV	hsv(147, 67%, 76%)
CMYK	cmyk(67.2%, 0%, 36.9%, 23.5%)
CIE-LAB	lab(70.56, -51.87, 26.08)
CIE-LCH	lch(70.56, 58.06, 153.31°)
OKLab	oklab(72.84% -0.1403 0.0653)
OKLCH	oklch(72.84% 0.155 155)
XYZ	xyz(25.2024, 41.5475, 25.4263)
Luminance	0.4155 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40C37B #C34088

analogous

#46C340 #40C37B #40C3BC

triadic

#40C37B #7B40C3 #C37B40

tetradic

#40C37B #4046C3 #C34088 #C3BC40

square

#40C37B #4046C3 #C34088 #C3BC40

split-complementary

#40C37B #BC40C3 #C34046

monochromatic

#216841 #2F975E #40C37B #6FD29B #9DE0BB

Accessibility & contrast

On white

2.26

#40C37B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.31

#40C37B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C37B

9.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40C37B	#FFFFFF	#000000	##000000
##40C37B	1.00	2.26	9.31	9.31
#FFFFFF	2.26	1.00	21.00	21.00
#000000	9.31	21.00	1.00	1.00
##000000	9.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C2B476

Deuteranopia (green-blind)

#B2A880

Tritanopia (blue-blind)

#00C1B1

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #40c37b;
/* rgb */ color: rgb(64, 195, 123);
/* oklch */ color: oklch(72.8% 0.155 155.0);

Tailwind

colors: {
  custom: {
    50: '#84d6a1',
    500: '#40c37b',
    950: '#000000',
  },
}

SCSS

$custom: #40c37b;
$custom-light: #84d6a1;
$custom-dark: #000000;

JSON

{
  "hex": "#40c37b",
  "rgb": {
    "r": 64,
    "g": 195,
    "b": 123
  },
  "hsl": {
    "h": 147.023,
    "s": 52.191,
    "l": 50.784
  },
  "oklch": {
    "l": 0.72837,
    "c": 0.1548,
    "h": 155
  },
  "luminance": 0.4155
}

Semantic roles & 50–950 ramp

primary

#40C37B

secondary

#CC92B2

accent

#4C9BDC

background

#F8FDFA

surface

#F0FAF3

border

#CBD3CD

text

#0C140F

muted

#7D837F

Preview Lab

Preview with #40C37B

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

Preview Lab → · Contrast checker → · Palette generator →