#40BC57#40BC57

#40BC57 is a light, vivid green. Relative luminance 0.377; OKLCH L 70.4% C 0.178 H 146.6°. Best body text is #000000 at 8.55:1 contrast (WCAG AA passes).

Color values

HEX	#40BC57
RGB	rgb(64, 188, 87)
HSL	hsl(131, 49%, 49%)
HSV	hsv(131, 66%, 74%)
CMYK	cmyk(66%, 0%, 53.7%, 26.3%)
CIE-LAB	lab(67.83, -55.20, 40.90)
CIE-LCH	lch(67.83, 68.70, 143.46°)
OKLab	oklab(70.42% -0.149 0.0981)
OKLCH	oklch(70.42% 0.178 146.6)
XYZ	xyz(21.8164, 37.7423, 15.1502)
Luminance	0.3775 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40BC57 #BC40A5

analogous

#67BC40 #40BC57 #40BC95

triadic

#40BC57 #5740BC #BC5740

tetradic

#40BC57 #4067BC #BC40A5 #BC9540

square

#40BC57 #4067BC #BC40A5 #BC9540

split-complementary

#40BC57 #9540BC #BC4067

monochromatic

#21612D #308E42 #40BC57 #6CCD7E #9ADDA6

Accessibility & contrast

On white

2.46

#40BC57 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.55

#40BC57 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40BC57

8.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40BC57	#FFFFFF	#000000	##000000
##40BC57	1.00	2.46	8.55	8.55
#FFFFFF	2.46	1.00	21.00	21.00
#000000	8.55	21.00	1.00	1.00
##000000	8.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BEAC4E

Deuteranopia (green-blind)

#AFA15F

Tritanopia (blue-blind)

#17B8A5

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #40bc57;
/* rgb */ color: rgb(64, 188, 87);
/* oklch */ color: oklch(70.4% 0.178 146.6);

Tailwind

colors: {
  custom: {
    50: '#83d189',
    500: '#40bc57',
    950: '#000000',
  },
}

SCSS

$custom: #40bc57;
$custom-light: #83d189;
$custom-dark: #000000;

JSON

{
  "hex": "#40bc57",
  "rgb": {
    "r": 64,
    "g": 188,
    "b": 87
  },
  "hsl": {
    "h": 131.129,
    "s": 49.206,
    "l": 49.412
  },
  "oklch": {
    "l": 0.70415,
    "c": 0.17839,
    "h": 146.6
  },
  "luminance": 0.37745
}

Semantic roles & 50–950 ramp

primary

#40BC57

secondary

#C98FBE

accent

#4FBFD9

background

#F8FDF8

surface

#F0FAF0

border

#CBD3CB

text

#0C140C

muted

#7D837D

Preview Lab

Preview with #40BC57

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

Preview Lab → · Contrast checker → · Palette generator →