#40C951#40C951

#40C951 is a light, vivid green. Relative luminance 0.435; OKLCH L 73.7% C 0.200 H 145.1°. Best body text is #000000 at 9.69:1 contrast (WCAG AA passes).

Color values

HEX	#40C951
RGB	rgb(64, 201, 81)
HSL	hsl(127, 56%, 52%)
HSV	hsv(127, 68%, 79%)
CMYK	cmyk(68.2%, 0%, 59.7%, 21.2%)
CIE-LAB	lab(71.86, -60.58, 48.47)
CIE-LCH	lch(71.86, 77.58, 141.34°)
OKLab	oklab(73.73% -0.1637 0.1141)
OKLCH	oklch(73.73% 0.2 145.1)
XYZ	xyz(24.4846, 43.4547, 14.8802)
Luminance	0.4346 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40C951 #C940B8

analogous

#74C940 #40C951 #40C995

triadic

#40C951 #5140C9 #C95140

tetradic

#40C951 #4074C9 #C940B8 #C99540

square

#40C951 #4074C9 #C940B8 #C99540

split-complementary

#40C951 #9540C9 #C94074

monochromatic

#1F6F29 #2D9F3B #40C951 #70D67C #9FE4A8

Accessibility & contrast

On white

2.17

#40C951 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.69

#40C951 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C951

9.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40C951	#FFFFFF	#000000	##000000
##40C951	1.00	2.17	9.69	9.69
#FFFFFF	2.17	1.00	21.00	21.00
#000000	9.69	21.00	1.00	1.00
##000000	9.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CCB744

Deuteranopia (green-blind)

#BCAC5B

Tritanopia (blue-blind)

#0FC4AF

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #40c951;
/* rgb */ color: rgb(64, 201, 81);
/* oklch */ color: oklch(73.7% 0.200 145.1);

Tailwind

colors: {
  custom: {
    50: '#86db86',
    500: '#40c951',
    950: '#000000',
  },
}

SCSS

$custom: #40c951;
$custom-light: #86db86;
$custom-dark: #000000;

JSON

{
  "hex": "#40c951",
  "rgb": {
    "r": 64,
    "g": 201,
    "b": 81
  },
  "hsl": {
    "h": 127.445,
    "s": 55.918,
    "l": 51.961
  },
  "oklch": {
    "l": 0.73727,
    "c": 0.19959,
    "h": 145.1
  },
  "luminance": 0.43457
}

Semantic roles & 50–950 ramp

primary

#40C951

secondary

#D094C9

accent

#49CDDF

background

#F8FDF8

surface

#F0FBF0

border

#CBD4CB

text

#0D150B

muted

#7D837C

Preview Lab

Preview with #40C951

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

Preview Lab → · Contrast checker → · Palette generator →