#40B757#40B757

#40B757 is a light, vivid green. Relative luminance 0.356; OKLCH L 69.1% C 0.172 H 146.9°. Best body text is #000000 at 8.13:1 contrast (WCAG AA passes).

Color values

HEX	#40B757
RGB	rgb(64, 183, 87)
HSL	hsl(132, 48%, 48%)
HSV	hsv(132, 65%, 72%)
CMYK	cmyk(65%, 0%, 52.5%, 28.2%)
CIE-LAB	lab(66.25, -53.36, 38.97)
CIE-LCH	lch(66.25, 66.08, 143.86°)
OKLab	oklab(69.11% -0.1441 0.0938)
OKLCH	oklch(69.11% 0.172 146.9)
XYZ	xyz(20.7667, 35.6430, 14.8003)
Luminance	0.3564 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B757 #B740A0

analogous

#64B740 #40B757 #40B792

triadic

#40B757 #5740B7 #B75740

tetradic

#40B757 #4064B7 #B740A0 #B79240

square

#40B757 #4064B7 #B740A0 #B79240

split-complementary

#40B757 #9240B7 #B74064

monochromatic

#205C2C #308A41 #40B757 #69CB7C #97DBA4

Accessibility & contrast

On white

2.58

#40B757 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.13

#40B757 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B757

8.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B757	#FFFFFF	#000000	##000000
##40B757	1.00	2.58	8.13	8.13
#FFFFFF	2.58	1.00	21.00	21.00
#000000	8.13	21.00	1.00	1.00
##000000	8.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9A74F

Deuteranopia (green-blind)

#AB9D5E

Tritanopia (blue-blind)

#1BB3A1

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #40b757;
/* rgb */ color: rgb(64, 183, 87);
/* oklch */ color: oklch(69.1% 0.172 146.9);

Tailwind

colors: {
  custom: {
    50: '#83ce88',
    500: '#40b757',
    950: '#000000',
  },
}

SCSS

$custom: #40b757;
$custom-light: #83ce88;
$custom-dark: #000000;

JSON

{
  "hex": "#40b757",
  "rgb": {
    "r": 64,
    "g": 183,
    "b": 87
  },
  "hsl": {
    "h": 131.597,
    "s": 48.178,
    "l": 48.431
  },
  "oklch": {
    "l": 0.69108,
    "c": 0.17192,
    "h": 146.9
  },
  "luminance": 0.35645
}

Semantic roles & 50–950 ramp

primary

#40B757

secondary

#C68DBB

accent

#50BED8

background

#F8FCF8

surface

#F0F9F0

border

#CBD2CB

text

#0C140B

muted

#7D827C

Preview Lab

Preview with #40B757

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

Preview Lab → · Contrast checker → · Palette generator →