#40DE5B#40DE5B

#40DE5B is a light, highly saturated green. Relative luminance 0.541; OKLCH L 79.3% C 0.217 H 145.8°. Best body text is #000000 at 11.82:1 contrast (WCAG AA passes).

Color values

HEX	#40DE5B
RGB	rgb(64, 222, 91)
HSL	hsl(130, 71%, 56%)
HSV	hsv(130, 71%, 87%)
CMYK	cmyk(71.2%, 0%, 59%, 12.9%)
CIE-LAB	lab(78.51, -66.48, 51.69)
CIE-LCH	lch(78.51, 84.21, 142.14°)
OKLab	oklab(79.27% -0.1794 0.1219)
OKLCH	oklch(79.27% 0.217 145.8)
XYZ	xyz(30.1218, 54.0845, 18.7474)
Luminance	0.5409 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40DE5B #DE40C3

analogous

#74DE40 #40DE5B #40DEAA

triadic

#40DE5B #5B40DE #DE5B40

tetradic

#40DE5B #4074DE #DE40C3 #DEAA40

square

#40DE5B #4074DE #DE40C3 #DEAA40

split-complementary

#40DE5B #AA40DE #DE4074

monochromatic

#188B2C #21C03C #40DE5B #74E788 #A8F0B5

Accessibility & contrast

On white

1.78

#40DE5B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.82

#40DE5B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40DE5B

11.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40DE5B	#FFFFFF	#000000	##000000
##40DE5B	1.00	1.78	11.82	11.82
#FFFFFF	1.78	1.00	21.00	21.00
#000000	11.82	21.00	1.00	1.00
##000000	11.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E1CA4D

Deuteranopia (green-blind)

#CFBD66

Tritanopia (blue-blind)

#00D9C2

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #40de5b;
/* rgb */ color: rgb(64, 222, 91);
/* oklch */ color: oklch(79.3% 0.217 145.8);

Tailwind

colors: {
  custom: {
    50: '#8aea8d',
    500: '#40de5b',
    950: '#000000',
  },
}

SCSS

$custom: #40de5b;
$custom-light: #8aea8d;
$custom-dark: #000000;

JSON

{
  "hex": "#40de5b",
  "rgb": {
    "r": 64,
    "g": 222,
    "b": 91
  },
  "hsl": {
    "h": 130.253,
    "s": 70.536,
    "l": 56.078
  },
  "oklch": {
    "l": 0.79265,
    "c": 0.21687,
    "h": 145.8
  },
  "luminance": 0.54088
}

Semantic roles & 50–950 ramp

primary

#40DE5B

secondary

#913181

accent

#3ACFED

background

#FCFEFC

surface

#F4FDF4

border

#CED5CE

text

#0D160C

muted

#7F847F

Preview Lab

Preview with #40DE5B

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

Preview Lab → · Contrast checker → · Palette generator →