#40D657#40D657

#40D657 is a light, highly saturated green. Relative luminance 0.499; OKLCH L 77.2% C 0.211 H 145.5°. Best body text is #000000 at 10.97:1 contrast (WCAG AA passes).

Color values

HEX	#40D657
RGB	rgb(64, 214, 87)
HSL	hsl(129, 65%, 55%)
HSV	hsv(129, 70%, 84%)
CMYK	cmyk(70.1%, 0%, 59.3%, 16.1%)
CIE-LAB	lab(75.99, -64.29, 50.55)
CIE-LCH	lch(75.99, 81.78, 141.82°)
OKLab	oklab(77.16% -0.1736 0.1191)
OKLCH	oklch(77.16% 0.211 145.5)
XYZ	xyz(27.8793, 49.8682, 17.1712)
Luminance	0.4987 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D657 #D640BF

analogous

#74D640 #40D657 #40D6A2

triadic

#40D657 #5740D6 #D65740

tetradic

#40D657 #4074D6 #D640BF #D6A240

square

#40D657 #4074D6 #D640BF #D6A240

split-complementary

#40D657 #A240D6 #D64074

monochromatic

#1B802B #26B23C #40D657 #72E183 #A5ECB0

Accessibility & contrast

On white

1.91

#40D657 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.97

#40D657 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D657

10.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D657	#FFFFFF	#000000	##000000
##40D657	1.00	1.91	10.97	10.97
#FFFFFF	1.91	1.00	21.00	21.00
#000000	10.97	21.00	1.00	1.00
##000000	10.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9C34A

Deuteranopia (green-blind)

#C8B761

Tritanopia (blue-blind)

#00D1BB

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #40d657;
/* rgb */ color: rgb(64, 214, 87);
/* oklch */ color: oklch(77.2% 0.211 145.5);

Tailwind

colors: {
  custom: {
    50: '#89e48a',
    500: '#40d657',
    950: '#000000',
  },
}

SCSS

$custom: #40d657;
$custom-light: #89e48a;
$custom-dark: #000000;

JSON

{
  "hex": "#40d657",
  "rgb": {
    "r": 64,
    "g": 214,
    "b": 87
  },
  "hsl": {
    "h": 129.2,
    "s": 64.655,
    "l": 54.51
  },
  "oklch": {
    "l": 0.77162,
    "c": 0.21051,
    "h": 145.5
  },
  "luminance": 0.49871
}

Semantic roles & 50–950 ramp

primary

#40D657

secondary

#D999CF

accent

#40CEE8

background

#F9FEF8

surface

#F1FCF0

border

#CBD5CB

text

#0D160C

muted

#7E847D

Preview Lab

Preview with #40D657

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

Preview Lab → · Contrast checker → · Palette generator →