#31B436#31B436

#31B436 is a light, vivid green. Relative luminance 0.336; OKLCH L 67.5% C 0.199 H 143.4°. Best body text is #000000 at 7.71:1 contrast (WCAG AA passes).

Color values

HEX	#31B436
RGB	rgb(49, 180, 54)
HSL	hsl(122, 57%, 45%)
HSV	hsv(122, 73%, 71%)
CMYK	cmyk(72.8%, 0%, 70%, 29.4%)
CIE-LAB	lab(64.61, -59.00, 51.85)
CIE-LCH	lch(64.61, 78.54, 138.69°)
OKLab	oklab(67.55% -0.1599 0.1186)
OKLCH	oklch(67.55% 0.199 143.4)
XYZ	xyz(18.2526, 33.5598, 9.0051)
Luminance	0.3356 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B436 #B431AF

analogous

#6EB431 #31B436 #31B477

triadic

#31B436 #3631B4 #B43631

tetradic

#31B436 #316EB4 #B431AF #B47731

square

#31B436 #316EB4 #B431AF #B47731

split-complementary

#31B436 #7731B4 #B4316E

monochromatic

#175419 #248428 #31B436 #52D057 #82DD86

Accessibility & contrast

On white

2.72

#31B436 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.71

#31B436 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B436

7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B436	#FFFFFF	#000000	##000000
##31B436	1.00	2.72	7.71	7.71
#FFFFFF	2.72	1.00	21.00	21.00
#000000	7.71	21.00	1.00	1.00
##000000	7.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8A323

Deuteranopia (green-blind)

#A99942

Tritanopia (blue-blind)

#00AF9B

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #31b436;
/* rgb */ color: rgb(49, 180, 54);
/* oklch */ color: oklch(67.5% 0.199 143.4);

Tailwind

colors: {
  custom: {
    50: '#7dcc74',
    500: '#31b436',
    950: '#000000',
  },
}

SCSS

$custom: #31b436;
$custom-light: #7dcc74;
$custom-dark: #000000;

JSON

{
  "hex": "#31b436",
  "rgb": {
    "r": 49,
    "g": 180,
    "b": 54
  },
  "hsl": {
    "h": 122.29,
    "s": 57.205,
    "l": 44.902
  },
  "oklch": {
    "l": 0.6755,
    "c": 0.1991,
    "h": 143.4
  },
  "luminance": 0.33562
}

Semantic roles & 50–950 ramp

primary

#31B436

secondary

#C67BC3

accent

#47DBE0

background

#F8FCF7

surface

#EFF9ED

border

#CAD2C8

text

#0B1309

muted

#7C827B

Preview Lab

Preview with #31B436

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

Preview Lab → · Contrast checker → · Palette generator →