#40CF57#40CF57

#40CF57 is a light, highly saturated green. Relative luminance 0.464; OKLCH L 75.4% C 0.202 H 145.8°. Best body text is #000000 at 10.28:1 contrast (WCAG AA passes).

Color values

HEX	#40CF57
RGB	rgb(64, 207, 87)
HSL	hsl(130, 60%, 53%)
HSV	hsv(130, 69%, 81%)
CMYK	cmyk(69.1%, 0%, 58%, 18.8%)
CIE-LAB	lab(73.80, -61.91, 48.01)
CIE-LCH	lch(73.80, 78.34, 142.21°)
OKLab	oklab(75.36% -0.1671 0.1136)
OKLCH	oklch(75.36% 0.202 145.8)
XYZ	xyz(26.1457, 46.4009, 16.5933)
Luminance	0.4640 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40CF57 #CF40B8

analogous

#70CF40 #40CF57 #40CF9E

triadic

#40CF57 #5740CF #CF5740

tetradic

#40CF57 #4070CF #CF40B8 #CF9E40

square

#40CF57 #4070CF #CF40B8 #CF9E40

split-complementary

#40CF57 #9E40CF #CF4070

monochromatic

#1E772C #2AA83E #40CF57 #71DB82 #A2E8AD

Accessibility & contrast

On white

2.04

#40CF57 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.28

#40CF57 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40CF57

10.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40CF57	#FFFFFF	#000000	##000000
##40CF57	1.00	2.04	10.28	10.28
#FFFFFF	2.04	1.00	21.00	21.00
#000000	10.28	21.00	1.00	1.00
##000000	10.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D2BD4B

Deuteranopia (green-blind)

#C1B161

Tritanopia (blue-blind)

#00CAB5

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #40cf57;
/* rgb */ color: rgb(64, 207, 87);
/* oklch */ color: oklch(75.4% 0.202 145.8);

Tailwind

colors: {
  custom: {
    50: '#87df8a',
    500: '#40cf57',
    950: '#000000',
  },
}

SCSS

$custom: #40cf57;
$custom-light: #87df8a;
$custom-dark: #000000;

JSON

{
  "hex": "#40cf57",
  "rgb": {
    "r": 64,
    "g": 207,
    "b": 87
  },
  "hsl": {
    "h": 129.65,
    "s": 59.833,
    "l": 53.137
  },
  "oklch": {
    "l": 0.75355,
    "c": 0.2021,
    "h": 145.8
  },
  "luminance": 0.46404
}

Semantic roles & 50–950 ramp

primary

#40CF57

secondary

#D497CA

accent

#45CAE3

background

#F9FDF8

surface

#F1FBF0

border

#CBD4CB

text

#0D150C

muted

#7E837D

Preview Lab

Preview with #40CF57

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

Preview Lab → · Contrast checker → · Palette generator →