#40BB57#40BB57

#40BB57 is a light, vivid green. Relative luminance 0.373; OKLCH L 70.2% C 0.177 H 146.7°. Best body text is #000000 at 8.46:1 contrast (WCAG AA passes).

Color values

HEX	#40BB57
RGB	rgb(64, 187, 87)
HSL	hsl(131, 49%, 49%)
HSV	hsv(131, 66%, 73%)
CMYK	cmyk(65.8%, 0%, 53.5%, 26.7%)
CIE-LAB	lab(67.51, -54.83, 40.51)
CIE-LCH	lch(67.51, 68.18, 143.54°)
OKLab	oklab(70.15% -0.148 0.0972)
OKLCH	oklch(70.15% 0.177 146.7)
XYZ	xyz(21.6035, 37.3165, 15.0793)
Luminance	0.3732 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40BB57 #BB40A4

analogous

#66BB40 #40BB57 #40BB95

triadic

#40BB57 #5740BB #BB5740

tetradic

#40BB57 #4066BB #BB40A4 #BB9540

square

#40BB57 #4066BB #BB40A4 #BB9540

split-complementary

#40BB57 #9540BB #BB4066

monochromatic

#21602D #308D42 #40BB57 #6CCD7E #99DCA6

Accessibility & contrast

On white

2.48

#40BB57 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.46

#40BB57 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40BB57

8.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40BB57	#FFFFFF	#000000	##000000
##40BB57	1.00	2.48	8.46	8.46
#FFFFFF	2.48	1.00	21.00	21.00
#000000	8.46	21.00	1.00	1.00
##000000	8.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BDAB4E

Deuteranopia (green-blind)

#AEA05E

Tritanopia (blue-blind)

#18B7A4

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #40bb57;
/* rgb */ color: rgb(64, 187, 87);
/* oklch */ color: oklch(70.2% 0.177 146.7);

Tailwind

colors: {
  custom: {
    50: '#83d089',
    500: '#40bb57',
    950: '#000000',
  },
}

SCSS

$custom: #40bb57;
$custom-light: #83d089;
$custom-dark: #000000;

JSON

{
  "hex": "#40bb57",
  "rgb": {
    "r": 64,
    "g": 187,
    "b": 87
  },
  "hsl": {
    "h": 131.22,
    "s": 49.004,
    "l": 49.216
  },
  "oklch": {
    "l": 0.70154,
    "c": 0.17711,
    "h": 146.7
  },
  "luminance": 0.37319
}

Semantic roles & 50–950 ramp

primary

#40BB57

secondary

#C88FBD

accent

#4FBFD9

background

#F8FCF8

surface

#F0F9F0

border

#CBD2CB

text

#0C140C

muted

#7D827D

Preview Lab

Preview with #40BB57

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

Preview Lab → · Contrast checker → · Palette generator →