#40DD8B#40DD8B

#40DD8B is a light, vivid green. Relative luminance 0.547; OKLCH L 79.8% C 0.174 H 155.5°. Best body text is #000000 at 11.93:1 contrast (WCAG AA passes).

Color values

HEX	#40DD8B
RGB	rgb(64, 221, 139)
HSL	hsl(149, 70%, 56%)
HSV	hsv(149, 71%, 87%)
CMYK	cmyk(71%, 0%, 37.1%, 13.3%)
CIE-LAB	lab(78.85, -58.73, 28.84)
CIE-LCH	lch(78.85, 65.43, 153.84°)
OKLab	oklab(79.75% -0.1587 0.0722)
OKLCH	oklch(79.75% 0.174 155.5)
XYZ	xyz(32.6280, 54.6632, 33.2526)
Luminance	0.5467 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40DD8B #DD4092

analogous

#43DD40 #40DD8B #40DDD9

triadic

#40DD8B #8B40DD #DD8B40

tetradic

#40DD8B #4043DD #DD4092 #DDD940

square

#40DD8B #4043DD #DD4092 #DDD940

split-complementary

#40DD8B #D940DD #DD4043

monochromatic

#198A4F #22BE6C #40DD8B #74E6AB #A8EFCA

Accessibility & contrast

On white

1.76

#40DD8B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.93

#40DD8B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40DD8B

11.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40DD8B	#FFFFFF	#000000	##000000
##40DD8B	1.00	1.76	11.93	11.93
#FFFFFF	1.76	1.00	21.00	21.00
#000000	11.93	21.00	1.00	1.00
##000000	11.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DCCB86

Deuteranopia (green-blind)

#C9BE90

Tritanopia (blue-blind)

#00DBC8

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #40dd8b;
/* rgb */ color: rgb(64, 221, 139);
/* oklch */ color: oklch(79.8% 0.174 155.5);

Tailwind

colors: {
  custom: {
    50: '#89e9ad',
    500: '#40dd8b',
    950: '#000000',
  },
}

SCSS

$custom: #40dd8b;
$custom-light: #89e9ad;
$custom-dark: #000000;

JSON

{
  "hex": "#40dd8b",
  "rgb": {
    "r": 64,
    "g": 221,
    "b": 139
  },
  "hsl": {
    "h": 148.662,
    "s": 69.778,
    "l": 55.882
  },
  "oklch": {
    "l": 0.79752,
    "c": 0.17435,
    "h": 155.5
  },
  "luminance": 0.54667
}

Semantic roles & 50–950 ramp

primary

#40DD8B

secondary

#903163

accent

#3B98ED

background

#FCFEFD

surface

#F4FDF7

border

#CED5D0

text

#0D1610

muted

#7F8481

Preview Lab

Preview with #40DD8B

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

Preview Lab → · Contrast checker → · Palette generator →