#40D977#40D977

#40D977 is a light, vivid green. Relative luminance 0.520; OKLCH L 78.4% C 0.187 H 151.0°. Best body text is #000000 at 11.41:1 contrast (WCAG AA passes).

Color values

HEX	#40D977
RGB	rgb(64, 217, 119)
HSL	hsl(142, 67%, 55%)
HSV	hsv(142, 71%, 85%)
CMYK	cmyk(70.5%, 0%, 45.2%, 14.9%)
CIE-LAB	lab(77.31, -60.79, 36.95)
CIE-LCH	lch(77.31, 71.14, 148.71°)
OKLab	oklab(78.38% -0.1637 0.0907)
OKLCH	oklch(78.38% 0.187 151)
XYZ	xyz(30.2545, 52.0442, 25.9003)
Luminance	0.5205 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D977 #D940A2

analogous

#55D940 #40D977 #40D9C4

triadic

#40D977 #7740D9 #D97740

tetradic

#40D977 #4055D9 #D940A2 #D9C440

square

#40D977 #4055D9 #D940A2 #D9C440

split-complementary

#40D977 #C440D9 #D94055

monochromatic

#1A8440 #24B759 #40D977 #73E39B #A6EDC0

Accessibility & contrast

On white

1.84

#40D977 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.41

#40D977 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D977

11.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D977	#FFFFFF	#000000	##000000
##40D977	1.00	1.84	11.41	11.41
#FFFFFF	1.84	1.00	21.00	21.00
#000000	11.41	21.00	1.00	1.00
##000000	11.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DAC76F

Deuteranopia (green-blind)

#C7BA7E

Tritanopia (blue-blind)

#00D6C1

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #40d977;
/* rgb */ color: rgb(64, 217, 119);
/* oklch */ color: oklch(78.4% 0.187 151.0);

Tailwind

colors: {
  custom: {
    50: '#88e69f',
    500: '#40d977',
    950: '#000000',
  },
}

SCSS

$custom: #40d977;
$custom-light: #88e69f;
$custom-dark: #000000;

JSON

{
  "hex": "#40d977",
  "rgb": {
    "r": 64,
    "g": 217,
    "b": 119
  },
  "hsl": {
    "h": 141.569,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.7838,
    "c": 0.18713,
    "h": 151
  },
  "luminance": 0.52048
}

Semantic roles & 50–950 ramp

primary

#40D977

secondary

#8B326B

accent

#3EACEA

background

#FCFEFC

surface

#F4FCF5

border

#CED5CF

text

#0D160F

muted

#7F8480

Preview Lab

Preview with #40D977

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

Preview Lab → · Contrast checker → · Palette generator →