#40D583#40D583

#40D583 is a light, vivid green. Relative luminance 0.503; OKLCH L 77.6% C 0.171 H 154.5°. Best body text is #000000 at 11.06:1 contrast (WCAG AA passes).

Color values

HEX	#40D583
RGB	rgb(64, 213, 131)
HSL	hsl(147, 64%, 54%)
HSV	hsv(147, 70%, 84%)
CMYK	cmyk(70%, 0%, 38.5%, 16.5%)
CIE-LAB	lab(76.26, -57.24, 29.51)
CIE-LCH	lch(76.26, 64.40, 152.72°)
OKLab	oklab(77.58% -0.1546 0.0736)
OKLCH	oklch(77.58% 0.171 154.5)
XYZ	xyz(30.0026, 50.3138, 29.5987)
Luminance	0.5032 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D583 #D54092

analogous

#48D540 #40D583 #40D5CE

triadic

#40D583 #8340D5 #D58340

tetradic

#40D583 #4048D5 #D54092 #D5CE40

square

#40D583 #4048D5 #D54092 #D5CE40

split-complementary

#40D583 #CE40D5 #D54048

monochromatic

#1C7F48 #27B165 #40D583 #72E0A4 #A4EBC4

Accessibility & contrast

On white

1.90

#40D583 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.06

#40D583 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D583

11.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D583	#FFFFFF	#000000	##000000
##40D583	1.00	1.90	11.06	11.06
#FFFFFF	1.90	1.00	21.00	21.00
#000000	11.06	21.00	1.00	1.00
##000000	11.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4C47D

Deuteranopia (green-blind)

#C2B788

Tritanopia (blue-blind)

#00D3C0

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #40d583;
/* rgb */ color: rgb(64, 213, 131);
/* oklch */ color: oklch(77.6% 0.171 154.5);

Tailwind

colors: {
  custom: {
    50: '#87e3a7',
    500: '#40d583',
    950: '#000000',
  },
}

SCSS

$custom: #40d583;
$custom-light: #87e3a7;
$custom-dark: #000000;

JSON

{
  "hex": "#40d583",
  "rgb": {
    "r": 64,
    "g": 213,
    "b": 131
  },
  "hsl": {
    "h": 146.98,
    "s": 63.948,
    "l": 54.314
  },
  "oklch": {
    "l": 0.77578,
    "c": 0.17121,
    "h": 154.5
  },
  "luminance": 0.50317
}

Semantic roles & 50–950 ramp

primary

#40D583

secondary

#863361

accent

#419CE7

background

#FCFEFC

surface

#F4FCF6

border

#CED5D0

text

#0D160F

muted

#7F8480

Preview Lab

Preview with #40D583

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

Preview Lab → · Contrast checker → · Palette generator →