#40D57C#40D57C

#40D57C is a light, vivid green. Relative luminance 0.501; OKLCH L 77.4% C 0.178 H 152.6°. Best body text is #000000 at 11.03:1 contrast (WCAG AA passes).

Color values

HEX	#40D57C
RGB	rgb(64, 213, 124)
HSL	hsl(144, 64%, 54%)
HSV	hsv(144, 70%, 84%)
CMYK	cmyk(70%, 0%, 41.8%, 16.5%)
CIE-LAB	lab(76.15, -58.50, 32.94)
CIE-LCH	lch(76.15, 67.13, 150.61°)
OKLab	oklab(77.45% -0.1577 0.0816)
OKLCH	oklch(77.45% 0.178 152.6)
XYZ	xyz(29.5441, 50.1304, 27.1840)
Luminance	0.5013 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D57C #D54099

analogous

#4FD540 #40D57C #40D5C6

triadic

#40D57C #7C40D5 #D57C40

tetradic

#40D57C #404FD5 #D54099 #D5C640

square

#40D57C #404FD5 #D54099 #D5C640

split-complementary

#40D57C #C640D5 #D5404F

monochromatic

#1C7F44 #27B15E #40D57C #72E09E #A4EBC1

Accessibility & contrast

On white

1.90

#40D57C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.03

#40D57C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D57C

11.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D57C	#FFFFFF	#000000	##000000
##40D57C	1.00	1.90	11.03	11.03
#FFFFFF	1.90	1.00	21.00	21.00
#000000	11.03	21.00	1.00	1.00
##000000	11.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5C476

Deuteranopia (green-blind)

#C3B782

Tritanopia (blue-blind)

#00D2BF

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #40d57c;
/* rgb */ color: rgb(64, 213, 124);
/* oklch */ color: oklch(77.4% 0.178 152.6);

Tailwind

colors: {
  custom: {
    50: '#87e3a3',
    500: '#40d57c',
    950: '#000000',
  },
}

SCSS

$custom: #40d57c;
$custom-light: #87e3a3;
$custom-dark: #000000;

JSON

{
  "hex": "#40d57c",
  "rgb": {
    "r": 64,
    "g": 213,
    "b": 124
  },
  "hsl": {
    "h": 144.161,
    "s": 63.948,
    "l": 54.314
  },
  "oklch": {
    "l": 0.77448,
    "c": 0.17752,
    "h": 152.6
  },
  "luminance": 0.50134
}

Semantic roles & 50–950 ramp

primary

#40D57C

secondary

#863365

accent

#41A4E7

background

#FCFEFC

surface

#F4FCF5

border

#CED5CF

text

#0D160F

muted

#7F8480

Preview Lab

Preview with #40D57C

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

Preview Lab → · Contrast checker → · Palette generator →