#31B055#31B055

#31B055 is a light, vivid green. Relative luminance 0.324; OKLCH L 66.8% C 0.170 H 148.6°. Best body text is #000000 at 7.47:1 contrast (WCAG AA passes).

Color values

HEX	#31B055
RGB	rgb(49, 176, 85)
HSL	hsl(137, 56%, 44%)
HSV	hsv(137, 72%, 69%)
CMYK	cmyk(72.2%, 0%, 51.7%, 31%)
CIE-LAB	lab(63.64, -53.86, 36.68)
CIE-LCH	lch(63.64, 65.17, 145.74°)
OKLab	oklab(66.85% -0.145 0.0886)
OKLCH	oklch(66.85% 0.17 148.6)
XYZ	xyz(18.4302, 32.3574, 13.8669)
Luminance	0.3236 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B055 #B0318C

analogous

#4DB031 #31B055 #31B095

triadic

#31B055 #5531B0 #B05531

tetradic

#31B055 #314DB0 #B0318C #B09531

square

#31B055 #314DB0 #B0318C #B09531

split-complementary

#31B055 #9531B0 #B0314D

monochromatic

#165027 #24803E #31B055 #50CE74 #80DC9A

Accessibility & contrast

On white

2.81

#31B055 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.47

#31B055 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B055

7.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B055	#FFFFFF	#000000	##000000
##31B055	1.00	2.81	7.47	7.47
#FFFFFF	2.81	1.00	21.00	21.00
#000000	7.47	21.00	1.00	1.00
##000000	7.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B2A04D

Deuteranopia (green-blind)

#A3965C

Tritanopia (blue-blind)

#00AC9B

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #31b055;
/* rgb */ color: rgb(49, 176, 85);
/* oklch */ color: oklch(66.8% 0.170 148.6);

Tailwind

colors: {
  custom: {
    50: '#7bc987',
    500: '#31b055',
    950: '#000000',
  },
}

SCSS

$custom: #31b055;
$custom-light: #7bc987;
$custom-dark: #000000;

JSON

{
  "hex": "#31b055",
  "rgb": {
    "r": 49,
    "g": 176,
    "b": 85
  },
  "hsl": {
    "h": 137.008,
    "s": 56.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.66845,
    "c": 0.16991,
    "h": 148.6
  },
  "luminance": 0.3236
}

Semantic roles & 50–950 ramp

primary

#31B055

secondary

#C578AF

accent

#48B5E0

background

#F8FCF8

surface

#EFF8EF

border

#CAD1CA

text

#0B130B

muted

#7C827C

Preview Lab

Preview with #31B055

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

Preview Lab → · Contrast checker → · Palette generator →