#31B773#31B773

#31B773 is a light, vivid green. Relative luminance 0.358; OKLCH L 69.2% C 0.152 H 156.0°. Best body text is #000000 at 8.15:1 contrast (WCAG AA passes).

Color values

HEX	#31B773
RGB	rgb(49, 183, 115)
HSL	hsl(150, 58%, 45%)
HSV	hsv(150, 73%, 72%)
CMYK	cmyk(73.2%, 0%, 37.2%, 28.2%)
CIE-LAB	lab(66.33, -51.21, 24.60)
CIE-LCH	lch(66.33, 56.82, 154.34°)
OKLab	oklab(69.22% -0.1384 0.0616)
OKLCH	oklch(69.22% 0.152 156)
XYZ	xyz(21.2926, 35.7553, 21.9956)
Luminance	0.3576 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B773 #B73175

analogous

#32B731 #31B773 #31B7B6

triadic

#31B773 #7331B7 #B77331

tetradic

#31B773 #3132B7 #B73175 #B7B631

square

#31B773 #3132B7 #B73175 #B7B631

split-complementary

#31B773 #B631B7 #B73132

monochromatic

#175636 #248755 #31B773 #54D192 #84DEB1

Accessibility & contrast

On white

2.58

#31B773 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.15

#31B773 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B773

8.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B773	#FFFFFF	#000000	##000000
##31B773	1.00	2.58	8.15	8.15
#FFFFFF	2.58	1.00	21.00	21.00
#000000	8.15	21.00	1.00	1.00
##000000	8.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6A86F

Deuteranopia (green-blind)

#A69D77

Tritanopia (blue-blind)

#00B5A6

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #31b773;
/* rgb */ color: rgb(49, 183, 115);
/* oklch */ color: oklch(69.2% 0.152 156.0);

Tailwind

colors: {
  custom: {
    50: '#7cce9c',
    500: '#31b773',
    950: '#000000',
  },
}

SCSS

$custom: #31b773;
$custom-light: #7cce9c;
$custom-dark: #000000;

JSON

{
  "hex": "#31b773",
  "rgb": {
    "r": 49,
    "g": 183,
    "b": 115
  },
  "hsl": {
    "h": 149.552,
    "s": 57.759,
    "l": 45.49
  },
  "oklch": {
    "l": 0.69221,
    "c": 0.15152,
    "h": 156
  },
  "luminance": 0.35758
}

Semantic roles & 50–950 ramp

primary

#31B773

secondary

#C87CA2

accent

#4795E1

background

#F8FCF9

surface

#EFF9F2

border

#CAD2CC

text

#0B140E

muted

#7C827E

Preview Lab

Preview with #31B773

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

Preview Lab → · Contrast checker → · Palette generator →