#40C657#40C657

#40C657 is a light, vivid green. Relative luminance 0.422; OKLCH L 73.0% C 0.191 H 146.2°. Best body text is #000000 at 9.43:1 contrast (WCAG AA passes).

Color values

HEX	#40C657
RGB	rgb(64, 198, 87)
HSL	hsl(130, 54%, 51%)
HSV	hsv(130, 68%, 78%)
CMYK	cmyk(67.7%, 0%, 56.1%, 22.4%)
CIE-LAB	lab(70.98, -58.78, 44.68)
CIE-LCH	lch(70.98, 73.83, 142.76°)
OKLab	oklab(73.02% -0.1587 0.1064)
OKLCH	oklch(73.02% 0.191 146.2)
XYZ	xyz(24.0271, 42.1637, 15.8871)
Luminance	0.4217 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40C657 #C640AF

analogous

#6CC640 #40C657 #40C69A

triadic

#40C657 #5740C6 #C65740

tetradic

#40C657 #406CC6 #C640AF #C69A40

square

#40C657 #406CC6 #C640AF #C69A40

split-complementary

#40C657 #9A40C6 #C6406C

monochromatic

#206C2D #2E9B41 #40C657 #6FD480 #9EE2AA

Accessibility & contrast

On white

2.23

#40C657 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.43

#40C657 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C657

9.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40C657	#FFFFFF	#000000	##000000
##40C657	1.00	2.23	9.43	9.43
#FFFFFF	2.23	1.00	21.00	21.00
#000000	9.43	21.00	1.00	1.00
##000000	9.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C9B54C

Deuteranopia (green-blind)

#B9A960

Tritanopia (blue-blind)

#0DC1AD

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #40c657;
/* rgb */ color: rgb(64, 198, 87);
/* oklch */ color: oklch(73.0% 0.191 146.2);

Tailwind

colors: {
  custom: {
    50: '#85d889',
    500: '#40c657',
    950: '#000000',
  },
}

SCSS

$custom: #40c657;
$custom-light: #85d889;
$custom-dark: #000000;

JSON

{
  "hex": "#40c657",
  "rgb": {
    "r": 64,
    "g": 198,
    "b": 87
  },
  "hsl": {
    "h": 130.299,
    "s": 54.032,
    "l": 51.373
  },
  "oklch": {
    "l": 0.73021,
    "c": 0.19104,
    "h": 146.2
  },
  "luminance": 0.42166
}

Semantic roles & 50–950 ramp

primary

#40C657

secondary

#CE93C4

accent

#4AC4DD

background

#F8FDF8

surface

#F0FBF0

border

#CBD4CB

text

#0C150C

muted

#7D837D

Preview Lab

Preview with #40C657

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

Preview Lab → · Contrast checker → · Palette generator →