#40CF5B#40CF5B

#40CF5B is a light, vivid green. Relative luminance 0.465; OKLCH L 75.4% C 0.199 H 146.4°. Best body text is #000000 at 10.29:1 contrast (WCAG AA passes).

Color values

HEX	#40CF5B
RGB	rgb(64, 207, 91)
HSL	hsl(131, 60%, 53%)
HSV	hsv(131, 69%, 81%)
CMYK	cmyk(69.1%, 0%, 56%, 18.8%)
CIE-LAB	lab(73.85, -61.40, 46.22)
CIE-LCH	lch(73.85, 76.85, 143.03°)
OKLab	oklab(75.41% -0.1656 0.11)
OKLCH	oklch(75.41% 0.199 146.4)
XYZ	xyz(26.3136, 46.4681, 17.4780)
Luminance	0.4647 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40CF5B #CF40B4

analogous

#6CCF40 #40CF5B #40CFA3

triadic

#40CF5B #5B40CF #CF5B40

tetradic

#40CF5B #406CCF #CF40B4 #CFA340

square

#40CF5B #406CCF #CF40B4 #CFA340

split-complementary

#40CF5B #A340CF #CF406C

monochromatic

#1E772F #2AA842 #40CF5B #71DB85 #A2E8AF

Accessibility & contrast

On white

2.04

#40CF5B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.29

#40CF5B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40CF5B

10.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40CF5B	#FFFFFF	#000000	##000000
##40CF5B	1.00	2.04	10.29	10.29
#FFFFFF	2.04	1.00	21.00	21.00
#000000	10.29	21.00	1.00	1.00
##000000	10.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D2BD50

Deuteranopia (green-blind)

#C1B164

Tritanopia (blue-blind)

#00CAB5

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #40cf5b;
/* rgb */ color: rgb(64, 207, 91);
/* oklch */ color: oklch(75.4% 0.199 146.4);

Tailwind

colors: {
  custom: {
    50: '#87df8c',
    500: '#40cf5b',
    950: '#000000',
  },
}

SCSS

$custom: #40cf5b;
$custom-light: #87df8c;
$custom-dark: #000000;

JSON

{
  "hex": "#40cf5b",
  "rgb": {
    "r": 64,
    "g": 207,
    "b": 91
  },
  "hsl": {
    "h": 131.329,
    "s": 59.833,
    "l": 53.137
  },
  "oklch": {
    "l": 0.75405,
    "c": 0.19885,
    "h": 146.4
  },
  "luminance": 0.46471
}

Semantic roles & 50–950 ramp

primary

#40CF5B

secondary

#D497C9

accent

#45C5E3

background

#F9FDF8

surface

#F1FBF0

border

#CBD4CB

text

#0D150C

muted

#7E837D

Preview Lab

Preview with #40CF5B

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

Preview Lab → · Contrast checker → · Palette generator →