#40D989#40D989

#40D989 is a light, vivid green. Relative luminance 0.525; OKLCH L 78.7% C 0.171 H 155.6°. Best body text is #000000 at 11.50:1 contrast (WCAG AA passes).

Color values

HEX	#40D989
RGB	rgb(64, 217, 137)
HSL	hsl(149, 67%, 55%)
HSV	hsv(149, 71%, 85%)
CMYK	cmyk(70.5%, 0%, 36.9%, 14.9%)
CIE-LAB	lab(77.59, -57.61, 28.19)
CIE-LCH	lch(77.59, 64.14, 153.92°)
OKLab	oklab(78.71% -0.1557 0.0706)
OKLCH	oklch(78.71% 0.171 155.6)
XYZ	xyz(31.4396, 52.5183, 32.1422)
Luminance	0.5252 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D989 #D94090

analogous

#44D940 #40D989 #40D9D5

triadic

#40D989 #8940D9 #D98940

tetradic

#40D989 #4044D9 #D94090 #D9D540

square

#40D989 #4044D9 #D94090 #D9D540

split-complementary

#40D989 #D540D9 #D94044

monochromatic

#1A844D #24B76B #40D989 #73E3A9 #A6EDC8

Accessibility & contrast

On white

1.83

#40D989 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.50

#40D989 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D989

11.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D989	#FFFFFF	#000000	##000000
##40D989	1.00	1.83	11.50	11.50
#FFFFFF	1.83	1.00	21.00	21.00
#000000	11.50	21.00	1.00	1.00
##000000	11.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8C884

Deuteranopia (green-blind)

#C5BA8E

Tritanopia (blue-blind)

#00D7C5

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #40d989;
/* rgb */ color: rgb(64, 217, 137);
/* oklch */ color: oklch(78.7% 0.171 155.6);

Tailwind

colors: {
  custom: {
    50: '#88e6ac',
    500: '#40d989',
    950: '#000000',
  },
}

SCSS

$custom: #40d989;
$custom-light: #88e6ac;
$custom-dark: #000000;

JSON

{
  "hex": "#40d989",
  "rgb": {
    "r": 64,
    "g": 217,
    "b": 137
  },
  "hsl": {
    "h": 148.627,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.78705,
    "c": 0.171,
    "h": 155.6
  },
  "luminance": 0.52522
}

Semantic roles & 50–950 ramp

primary

#40D989

secondary

#8B3261

accent

#3E98EA

background

#FCFEFD

surface

#F4FCF7

border

#CED5D0

text

#0D1610

muted

#7F8481

Preview Lab

Preview with #40D989

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

Preview Lab → · Contrast checker → · Palette generator →