#31B456#31B456

#31B456 is a light, vivid green. Relative luminance 0.340; OKLCH L 67.9% C 0.174 H 148.4°. Best body text is #000000 at 7.79:1 contrast (WCAG AA passes).

Color values

HEX	#31B456
RGB	rgb(49, 180, 86)
HSL	hsl(137, 57%, 45%)
HSV	hsv(137, 73%, 71%)
CMYK	cmyk(72.8%, 0%, 52.2%, 29.4%)
CIE-LAB	lab(64.93, -55.15, 37.78)
CIE-LCH	lch(64.93, 66.85, 145.58°)
OKLab	oklab(67.92% -0.1484 0.0911)
OKLCH	oklch(67.92% 0.174 148.4)
XYZ	xyz(19.2661, 33.9652, 14.3429)
Luminance	0.3397 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B456 #B4318F

analogous

#4DB431 #31B456 #31B498

triadic

#31B456 #5631B4 #B45631

tetradic

#31B456 #314DB4 #B4318F #B49831

square

#31B456 #314DB4 #B4318F #B49831

split-complementary

#31B456 #9831B4 #B4314D

monochromatic

#175428 #24843F #31B456 #52D076 #82DD9C

Accessibility & contrast

On white

2.69

#31B456 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.79

#31B456 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B456

7.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B456	#FFFFFF	#000000	##000000
##31B456	1.00	2.69	7.79	7.79
#FFFFFF	2.69	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)

#B6A44E

Deuteranopia (green-blind)

#A6995D

Tritanopia (blue-blind)

#00B09E

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #31b456;
/* rgb */ color: rgb(49, 180, 86);
/* oklch */ color: oklch(67.9% 0.174 148.4);

Tailwind

colors: {
  custom: {
    50: '#7ccc88',
    500: '#31b456',
    950: '#000000',
  },
}

SCSS

$custom: #31b456;
$custom-light: #7ccc88;
$custom-dark: #000000;

JSON

{
  "hex": "#31b456",
  "rgb": {
    "r": 49,
    "g": 180,
    "b": 86
  },
  "hsl": {
    "h": 136.947,
    "s": 57.205,
    "l": 44.902
  },
  "oklch": {
    "l": 0.67922,
    "c": 0.17415,
    "h": 148.4
  },
  "luminance": 0.33967
}

Semantic roles & 50–950 ramp

primary

#31B456

secondary

#C67BB1

accent

#47B5E0

background

#F8FCF8

surface

#EFF9F0

border

#CAD2CB

text

#0B130B

muted

#7C827C

Preview Lab

Preview with #31B456

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

Preview Lab → · Contrast checker → · Palette generator →