#31B270#31B270

#31B270 is a light, vivid green. Relative luminance 0.337; OKLCH L 67.9% C 0.148 H 156.0°. Best body text is #000000 at 7.73:1 contrast (WCAG AA passes).

Color values

HEX	#31B270
RGB	rgb(49, 178, 112)
HSL	hsl(149, 57%, 45%)
HSV	hsv(149, 72%, 70%)
CMYK	cmyk(72.5%, 0%, 37.1%, 30.2%)
CIE-LAB	lab(64.69, -49.88, 24.01)
CIE-LCH	lch(64.69, 55.35, 154.30°)
OKLab	oklab(67.85% -0.1348 0.0602)
OKLCH	oklch(67.85% 0.148 156)
XYZ	xyz(20.1097, 33.6613, 20.7635)
Luminance	0.3366 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B270 #B23173

analogous

#33B231 #31B270 #31B2B0

triadic

#31B270 #7031B2 #B27031

tetradic

#31B270 #3133B2 #B23173 #B2B031

square

#31B270 #3133B2 #B23173 #B2B031

split-complementary

#31B270 #B031B2 #B23133

monochromatic

#175234 #248252 #31B270 #51CF8F #81DCAE

Accessibility & contrast

On white

2.72

#31B270 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.73

#31B270 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B270

7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B270	#FFFFFF	#000000	##000000
##31B270	1.00	2.72	7.73	7.73
#FFFFFF	2.72	1.00	21.00	21.00
#000000	7.73	21.00	1.00	1.00
##000000	7.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B1A46C

Deuteranopia (green-blind)

#A19874

Tritanopia (blue-blind)

#00B0A1

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #31b270;
/* rgb */ color: rgb(49, 178, 112);
/* oklch */ color: oklch(67.9% 0.148 156.0);

Tailwind

colors: {
  custom: {
    50: '#7bca99',
    500: '#31b270',
    950: '#000000',
  },
}

SCSS

$custom: #31b270;
$custom-light: #7bca99;
$custom-dark: #000000;

JSON

{
  "hex": "#31b270",
  "rgb": {
    "r": 49,
    "g": 178,
    "b": 112
  },
  "hsl": {
    "h": 149.302,
    "s": 56.828,
    "l": 44.51
  },
  "oklch": {
    "l": 0.67852,
    "c": 0.14766,
    "h": 156
  },
  "luminance": 0.33664
}

Semantic roles & 50–950 ramp

primary

#31B270

secondary

#C579A0

accent

#4896E0

background

#F8FCF9

surface

#EFF8F2

border

#CAD1CC

text

#0B130E

muted

#7C827E

Preview Lab

Preview with #31B270

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

Preview Lab → · Contrast checker → · Palette generator →