#31B454#31B454

#31B454 is a light, vivid green. Relative luminance 0.339; OKLCH L 67.9% C 0.176 H 148.0°. Best body text is #000000 at 7.79:1 contrast (WCAG AA passes).

Color values

HEX	#31B454
RGB	rgb(49, 180, 84)
HSL	hsl(136, 57%, 45%)
HSV	hsv(136, 73%, 71%)
CMYK	cmyk(72.8%, 0%, 53.3%, 29.4%)
CIE-LAB	lab(64.91, -55.44, 38.74)
CIE-LCH	lch(64.91, 67.63, 145.06°)
OKLab	oklab(67.89% -0.1492 0.0931)
OKLCH	oklch(67.89% 0.176 148)
XYZ	xyz(19.1866, 33.9334, 13.9244)
Luminance	0.3394 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B454 #B43191

analogous

#4FB431 #31B454 #31B496

triadic

#31B454 #5431B4 #B45431

tetradic

#31B454 #314FB4 #B43191 #B49631

square

#31B454 #314FB4 #B43191 #B49631

split-complementary

#31B454 #9631B4 #B4314F

monochromatic

#175427 #24843E #31B454 #52D074 #82DD9B

Accessibility & contrast

On white

2.70

#31B454 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.79

#31B454 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B454

7.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B454	#FFFFFF	#000000	##000000
##31B454	1.00	2.70	7.79	7.79
#FFFFFF	2.70	1.00	21.00	21.00
#000000	7.79	21.00	1.00	1.00
##000000	7.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6A44B

Deuteranopia (green-blind)

#A7995B

Tritanopia (blue-blind)

#00B09E

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #31b454;
/* rgb */ color: rgb(49, 180, 84);
/* oklch */ color: oklch(67.9% 0.176 148.0);

Tailwind

colors: {
  custom: {
    50: '#7ccc86',
    500: '#31b454',
    950: '#000000',
  },
}

SCSS

$custom: #31b454;
$custom-light: #7ccc86;
$custom-dark: #000000;

JSON

{
  "hex": "#31b454",
  "rgb": {
    "r": 49,
    "g": 180,
    "b": 84
  },
  "hsl": {
    "h": 136.031,
    "s": 57.205,
    "l": 44.902
  },
  "oklch": {
    "l": 0.67893,
    "c": 0.1759,
    "h": 148
  },
  "luminance": 0.33936
}

Semantic roles & 50–950 ramp

primary

#31B454

secondary

#C67BB2

accent

#47B8E0

background

#F8FCF8

surface

#EFF9EF

border

#CAD2CA

text

#0B130B

muted

#7C827C

Preview Lab

Preview with #31B454

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

Preview Lab → · Contrast checker → · Palette generator →