#40C977#40C977

#40C977 is a light, vivid green. Relative luminance 0.442; OKLCH L 74.3% C 0.166 H 152.9°. Best body text is #000000 at 9.84:1 contrast (WCAG AA passes).

Color values

HEX	#40C977
RGB	rgb(64, 201, 119)
HSL	hsl(144, 56%, 52%)
HSV	hsv(144, 68%, 79%)
CMYK	cmyk(68.2%, 0%, 40.8%, 21.2%)
CIE-LAB	lab(72.36, -54.91, 30.54)
CIE-LCH	lch(72.36, 62.83, 150.92°)
OKLab	oklab(74.3% -0.1482 0.0758)
OKLCH	oklch(74.3% 0.166 152.9)
XYZ	xyz(26.3285, 44.1923, 24.5916)
Luminance	0.4420 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40C977 #C94092

analogous

#4EC940 #40C977 #40C9BC

triadic

#40C977 #7740C9 #C97740

tetradic

#40C977 #404EC9 #C94092 #C9BC40

square

#40C977 #404EC9 #C94092 #C9BC40

split-complementary

#40C977 #BC40C9 #C9404E

monochromatic

#1F6F3F #2D9F5B #40C977 #70D699 #9FE4BB

Accessibility & contrast

On white

2.13

#40C977 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.84

#40C977 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C977

9.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40C977	#FFFFFF	#000000	##000000
##40C977	1.00	2.13	9.84	9.84
#FFFFFF	2.13	1.00	21.00	21.00
#000000	9.84	21.00	1.00	1.00
##000000	9.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C9B971

Deuteranopia (green-blind)

#B8AD7C

Tritanopia (blue-blind)

#00C6B5

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #40c977;
/* rgb */ color: rgb(64, 201, 119);
/* oklch */ color: oklch(74.3% 0.166 152.9);

Tailwind

colors: {
  custom: {
    50: '#85da9f',
    500: '#40c977',
    950: '#000000',
  },
}

SCSS

$custom: #40c977;
$custom-light: #85da9f;
$custom-dark: #000000;

JSON

{
  "hex": "#40c977",
  "rgb": {
    "r": 64,
    "g": 201,
    "b": 119
  },
  "hsl": {
    "h": 144.088,
    "s": 55.918,
    "l": 51.961
  },
  "oklch": {
    "l": 0.74296,
    "c": 0.16644,
    "h": 152.9
  },
  "luminance": 0.44195
}

Semantic roles & 50–950 ramp

primary

#40C977

secondary

#D094B8

accent

#49A3DF

background

#F8FDF9

surface

#F0FBF2

border

#CBD4CC

text

#0C150E

muted

#7D837E

Preview Lab

Preview with #40C977

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

Preview Lab → · Contrast checker → · Palette generator →