#40B277#40B277

#40B277 is a light, vivid green. Relative luminance 0.343; OKLCH L 68.4% C 0.135 H 157.0°. Best body text is #000000 at 7.85:1 contrast (WCAG AA passes).

Color values

HEX	#40B277
RGB	rgb(64, 178, 119)
HSL	hsl(149, 47%, 47%)
HSV	hsv(149, 64%, 70%)
CMYK	cmyk(64%, 0%, 33.1%, 30.2%)
CIE-LAB	lab(65.17, -45.86, 20.95)
CIE-LCH	lch(65.17, 50.42, 155.46°)
OKLab	oklab(68.38% -0.1247 0.0529)
OKLCH	oklch(68.38% 0.135 157)
XYZ	xyz(21.3626, 34.2605, 22.9363)
Luminance	0.3426 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B277 #B2407B

analogous

#42B240 #40B277 #40B2B0

triadic

#40B277 #7740B2 #B27740

tetradic

#40B277 #4042B2 #B2407B #B2B040

square

#40B277 #4042B2 #B2407B #B2B040

split-complementary

#40B277 #B040B2 #B24042

monochromatic

#20583B #308559 #40B277 #67C896 #94D8B5

Accessibility & contrast

On white

2.67

#40B277 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.85

#40B277 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B277

7.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B277	#FFFFFF	#000000	##000000
##40B277	1.00	2.67	7.85	7.85
#FFFFFF	2.67	1.00	21.00	21.00
#000000	7.85	21.00	1.00	1.00
##000000	7.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B1A573

Deuteranopia (green-blind)

#A29A7B

Tritanopia (blue-blind)

#00B1A3

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #40b277;
/* rgb */ color: rgb(64, 178, 119);
/* oklch */ color: oklch(68.4% 0.135 157.0);

Tailwind

colors: {
  custom: {
    50: '#81ca9e',
    500: '#40b277',
    950: '#000000',
  },
}

SCSS

$custom: #40b277;
$custom-light: #81ca9e;
$custom-dark: #000000;

JSON

{
  "hex": "#40b277",
  "rgb": {
    "r": 64,
    "g": 178,
    "b": 119
  },
  "hsl": {
    "h": 148.947,
    "s": 47.107,
    "l": 47.451
  },
  "oklch": {
    "l": 0.68385,
    "c": 0.13541,
    "h": 157
  },
  "luminance": 0.34263
}

Semantic roles & 50–950 ramp

primary

#40B277

secondary

#C48AA8

accent

#5196D7

background

#F8FCF9

surface

#F0F8F2

border

#CBD1CC

text

#0B130E

muted

#7C827E

Preview Lab

Preview with #40B277

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

Preview Lab → · Contrast checker → · Palette generator →