#40D889#40D889

#40D889 is a light, vivid green. Relative luminance 0.520; OKLCH L 78.5% C 0.170 H 155.8°. Best body text is #000000 at 11.40:1 contrast (WCAG AA passes).

Color values

HEX	#40D889
RGB	rgb(64, 216, 137)
HSL	hsl(149, 66%, 55%)
HSV	hsv(149, 70%, 85%)
CMYK	cmyk(70.4%, 0%, 36.6%, 15.3%)
CIE-LAB	lab(77.28, -57.24, 27.78)
CIE-LCH	lch(77.28, 63.62, 154.11°)
OKLab	oklab(78.45% -0.1548 0.0696)
OKLCH	oklch(78.45% 0.17 155.8)
XYZ	xyz(31.1827, 52.0043, 32.0565)
Luminance	0.5201 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D889 #D8408F

analogous

#43D840 #40D889 #40D8D5

triadic

#40D889 #8940D8 #D88940

tetradic

#40D889 #4043D8 #D8408F #D8D540

square

#40D889 #4043D8 #D8408F #D8D540

split-complementary

#40D889 #D540D8 #D84043

monochromatic

#1B834D #25B66B #40D889 #73E2A8 #A6EDC8

Accessibility & contrast

On white

1.84

#40D889 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.40

#40D889 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D889

11.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D889	#FFFFFF	#000000	##000000
##40D889	1.00	1.84	11.40	11.40
#FFFFFF	1.84	1.00	21.00	21.00
#000000	11.40	21.00	1.00	1.00
##000000	11.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7C784

Deuteranopia (green-blind)

#C4B98E

Tritanopia (blue-blind)

#00D6C4

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #40d889;
/* rgb */ color: rgb(64, 216, 137);
/* oklch */ color: oklch(78.5% 0.170 155.8);

Tailwind

colors: {
  custom: {
    50: '#88e5ac',
    500: '#40d889',
    950: '#000000',
  },
}

SCSS

$custom: #40d889;
$custom-light: #88e5ac;
$custom-dark: #000000;

JSON

{
  "hex": "#40d889",
  "rgb": {
    "r": 64,
    "g": 216,
    "b": 137
  },
  "hsl": {
    "h": 148.816,
    "s": 66.087,
    "l": 54.902
  },
  "oklch": {
    "l": 0.78453,
    "c": 0.16971,
    "h": 155.8
  },
  "luminance": 0.52008
}

Semantic roles & 50–950 ramp

primary

#40D889

secondary

#8A3360

accent

#3F97E9

background

#FCFEFD

surface

#F4FCF7

border

#CED5D0

text

#0D1610

muted

#7F8481

Preview Lab

Preview with #40D889

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

Preview Lab → · Contrast checker → · Palette generator →