#31B556#31B556

#31B556 is a light, vivid green. Relative luminance 0.344; OKLCH L 68.2% C 0.175 H 148.4°. Best body text is #000000 at 7.87:1 contrast (WCAG AA passes).

Color values

HEX	#31B556
RGB	rgb(49, 181, 86)
HSL	hsl(137, 57%, 45%)
HSV	hsv(137, 73%, 71%)
CMYK	cmyk(72.9%, 0%, 52.5%, 29%)
CIE-LAB	lab(65.26, -55.50, 38.17)
CIE-LCH	lch(65.26, 67.36, 145.48°)
OKLab	oklab(68.19% -0.1493 0.092)
OKLCH	oklch(68.19% 0.175 148.4)
XYZ	xyz(19.4687, 34.3704, 14.4104)
Luminance	0.3437 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B556 #B53190

analogous

#4EB531 #31B556 #31B598

triadic

#31B556 #5631B5 #B55631

tetradic

#31B556 #314EB5 #B53190 #B59831

square

#31B556 #314EB5 #B53190 #B59831

split-complementary

#31B556 #9831B5 #B5314E

monochromatic

#175528 #24853F #31B556 #53D076 #83DD9C

Accessibility & contrast

On white

2.67

#31B556 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.87

#31B556 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B556

7.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B556	#FFFFFF	#000000	##000000
##31B556	1.00	2.67	7.87	7.87
#FFFFFF	2.67	1.00	21.00	21.00
#000000	7.87	21.00	1.00	1.00
##000000	7.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7A54E

Deuteranopia (green-blind)

#A79A5D

Tritanopia (blue-blind)

#00B19F

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #31b556;
/* rgb */ color: rgb(49, 181, 86);
/* oklch */ color: oklch(68.2% 0.175 148.4);

Tailwind

colors: {
  custom: {
    50: '#7ccc88',
    500: '#31b556',
    950: '#000000',
  },
}

SCSS

$custom: #31b556;
$custom-light: #7ccc88;
$custom-dark: #000000;

JSON

{
  "hex": "#31b556",
  "rgb": {
    "r": 49,
    "g": 181,
    "b": 86
  },
  "hsl": {
    "h": 136.818,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.68188,
    "c": 0.17542,
    "h": 148.4
  },
  "luminance": 0.34373
}

Semantic roles & 50–950 ramp

primary

#31B556

secondary

#C77BB2

accent

#47B6E1

background

#F8FCF8

surface

#EFF9F0

border

#CAD2CB

text

#0B130B

muted

#7C827C

Preview Lab

Preview with #31B556

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

Preview Lab → · Contrast checker → · Palette generator →