#40B777#40B777

#40B777 is a light, vivid green. Relative luminance 0.363; OKLCH L 69.7% C 0.142 H 155.9°. Best body text is #000000 at 8.26:1 contrast (WCAG AA passes).

Color values

HEX	#40B777
RGB	rgb(64, 183, 119)
HSL	hsl(148, 48%, 48%)
HSV	hsv(148, 65%, 72%)
CMYK	cmyk(65%, 0%, 35%, 28.2%)
CIE-LAB	lab(66.74, -47.90, 23.07)
CIE-LCH	lch(66.74, 53.16, 154.28°)
OKLab	oklab(69.67% -0.1299 0.058)
OKLCH	oklch(69.67% 0.142 155.9)
XYZ	xyz(22.3756, 36.2865, 23.2740)
Luminance	0.3629 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B777 #B74080

analogous

#44B740 #40B777 #40B7B2

triadic

#40B777 #7740B7 #B77740

tetradic

#40B777 #4044B7 #B74080 #B7B240

square

#40B777 #4044B7 #B74080 #B7B240

split-complementary

#40B777 #B240B7 #B74044

monochromatic

#205C3C #308A5A #40B777 #69CB96 #97DBB6

Accessibility & contrast

On white

2.54

#40B777 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.26

#40B777 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B777

8.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B777	#FFFFFF	#000000	##000000
##40B777	1.00	2.54	8.26	8.26
#FFFFFF	2.54	1.00	21.00	21.00
#000000	8.26	21.00	1.00	1.00
##000000	8.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6A973

Deuteranopia (green-blind)

#A79E7B

Tritanopia (blue-blind)

#00B5A6

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #40b777;
/* rgb */ color: rgb(64, 183, 119);
/* oklch */ color: oklch(69.7% 0.142 155.9);

Tailwind

colors: {
  custom: {
    50: '#82cd9e',
    500: '#40b777',
    950: '#000000',
  },
}

SCSS

$custom: #40b777;
$custom-light: #82cd9e;
$custom-dark: #000000;

JSON

{
  "hex": "#40b777",
  "rgb": {
    "r": 64,
    "g": 183,
    "b": 119
  },
  "hsl": {
    "h": 147.731,
    "s": 48.178,
    "l": 48.431
  },
  "oklch": {
    "l": 0.69674,
    "c": 0.14227,
    "h": 155.9
  },
  "luminance": 0.36289
}

Semantic roles & 50–950 ramp

primary

#40B777

secondary

#C68DAC

accent

#5099D8

background

#F8FCF9

surface

#F0F9F2

border

#CBD2CC

text

#0C140E

muted

#7D827E

Preview Lab

Preview with #40B777

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

Preview Lab → · Contrast checker → · Palette generator →