#31B971#31B971

#31B971 is a light, vivid green. Relative luminance 0.365; OKLCH L 69.7% C 0.156 H 155.0°. Best body text is #000000 at 8.31:1 contrast (WCAG AA passes).

Color values

HEX	#31B971
RGB	rgb(49, 185, 113)
HSL	hsl(148, 58%, 46%)
HSV	hsv(148, 74%, 73%)
CMYK	cmyk(73.5%, 0%, 38.9%, 27.5%)
CIE-LAB	lab(66.93, -52.37, 26.46)
CIE-LCH	lch(66.93, 58.67, 153.19°)
OKLab	oklab(69.7% -0.1413 0.066)
OKLCH	oklch(69.7% 0.156 155)
XYZ	xyz(21.5942, 36.5406, 21.5346)
Luminance	0.3654 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B971 #B93179

analogous

#35B931 #31B971 #31B9B5

triadic

#31B971 #7131B9 #B97131

tetradic

#31B971 #3135B9 #B93179 #B9B531

square

#31B971 #3135B9 #B93179 #B9B531

split-complementary

#31B971 #B531B9 #B93135

monochromatic

#175836 #248953 #31B971 #55D290 #86DFB0

Accessibility & contrast

On white

2.53

#31B971 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.31

#31B971 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B971

8.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B971	#FFFFFF	#000000	##000000
##31B971	1.00	2.53	8.31	8.31
#FFFFFF	2.53	1.00	21.00	21.00
#000000	8.31	21.00	1.00	1.00
##000000	8.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8AA6C

Deuteranopia (green-blind)

#A89E76

Tritanopia (blue-blind)

#00B7A7

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #31b971;
/* rgb */ color: rgb(49, 185, 113);
/* oklch */ color: oklch(69.7% 0.156 155.0);

Tailwind

colors: {
  custom: {
    50: '#7ccf9a',
    500: '#31b971',
    950: '#000000',
  },
}

SCSS

$custom: #31b971;
$custom-light: #7ccf9a;
$custom-dark: #000000;

JSON

{
  "hex": "#31b971",
  "rgb": {
    "r": 49,
    "g": 185,
    "b": 113
  },
  "hsl": {
    "h": 148.235,
    "s": 58.12,
    "l": 45.882
  },
  "oklch": {
    "l": 0.69703,
    "c": 0.15599,
    "h": 155
  },
  "luminance": 0.36543
}

Semantic roles & 50–950 ramp

primary

#31B971

secondary

#C87DA5

accent

#4698E1

background

#F8FCF9

surface

#EFF9F2

border

#CAD2CC

text

#0B140E

muted

#7C827E

Preview Lab

Preview with #31B971

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

Preview Lab → · Contrast checker → · Palette generator →