#40B877#40B877

#40B877 is a light, vivid green. Relative luminance 0.367; OKLCH L 69.9% C 0.144 H 155.7°. Best body text is #000000 at 8.34:1 contrast (WCAG AA passes).

Color values

HEX	#40B877
RGB	rgb(64, 184, 119)
HSL	hsl(148, 48%, 49%)
HSV	hsv(148, 65%, 72%)
CMYK	cmyk(65.2%, 0%, 35.3%, 27.8%)
CIE-LAB	lab(67.05, -48.30, 23.49)
CIE-LCH	lch(67.05, 53.71, 154.06°)
OKLab	oklab(69.93% -0.1309 0.059)
OKLCH	oklch(69.93% 0.144 155.7)
XYZ	xyz(22.5826, 36.7005, 23.3430)
Luminance	0.3670 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B877 #B84081

analogous

#45B840 #40B877 #40B8B3

triadic

#40B877 #7740B8 #B87740

tetradic

#40B877 #4045B8 #B84081 #B8B340

square

#40B877 #4045B8 #B84081 #B8B340

split-complementary

#40B877 #B340B8 #B84045

monochromatic

#205D3C #308B5A #40B877 #6ACB97 #97DBB6

Accessibility & contrast

On white

2.52

#40B877 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.34

#40B877 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B877

8.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B877	#FFFFFF	#000000	##000000
##40B877	1.00	2.52	8.34	8.34
#FFFFFF	2.52	1.00	21.00	21.00
#000000	8.34	21.00	1.00	1.00
##000000	8.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7AA73

Deuteranopia (green-blind)

#A89F7B

Tritanopia (blue-blind)

#00B6A7

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #40b877;
/* rgb */ color: rgb(64, 184, 119);
/* oklch */ color: oklch(69.9% 0.144 155.7);

Tailwind

colors: {
  custom: {
    50: '#82ce9e',
    500: '#40b877',
    950: '#000000',
  },
}

SCSS

$custom: #40b877;
$custom-light: #82ce9e;
$custom-dark: #000000;

JSON

{
  "hex": "#40b877",
  "rgb": {
    "r": 64,
    "g": 184,
    "b": 119
  },
  "hsl": {
    "h": 147.5,
    "s": 48.387,
    "l": 48.627
  },
  "oklch": {
    "l": 0.69931,
    "c": 0.14363,
    "h": 155.7
  },
  "luminance": 0.36703
}

Semantic roles & 50–950 ramp

primary

#40B877

secondary

#C78DAC

accent

#509AD8

background

#F8FCF9

surface

#F0F9F2

border

#CBD2CC

text

#0C140E

muted

#7D827E

Preview Lab

Preview with #40B877

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

Preview Lab → · Contrast checker → · Palette generator →