#31B970#31B970

#31B970 is a light, vivid green. Relative luminance 0.365; OKLCH L 69.7% C 0.157 H 154.6°. Best body text is #000000 at 8.30:1 contrast (WCAG AA passes).

Color values

HEX	#31B970
RGB	rgb(49, 185, 112)
HSL	hsl(148, 58%, 46%)
HSV	hsv(148, 74%, 73%)
CMYK	cmyk(73.5%, 0%, 39.5%, 27.5%)
CIE-LAB	lab(66.91, -52.56, 26.96)
CIE-LCH	lch(66.91, 59.07, 152.84°)
OKLab	oklab(69.68% -0.1418 0.0672)
OKLCH	oklch(69.68% 0.157 154.6)
XYZ	xyz(21.5382, 36.5182, 21.2397)
Luminance	0.3652 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B970 #B9317A

analogous

#36B931 #31B970 #31B9B4

triadic

#31B970 #7031B9 #B97031

tetradic

#31B970 #3136B9 #B9317A #B9B431

square

#31B970 #3136B9 #B9317A #B9B431

split-complementary

#31B970 #B431B9 #B93136

monochromatic

#175835 #248953 #31B970 #55D28F #86DFAF

Accessibility & contrast

On white

2.53

#31B970 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.30

#31B970 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B970

8.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B970	#FFFFFF	#000000	##000000
##31B970	1.00	2.53	8.30	8.30
#FFFFFF	2.53	1.00	21.00	21.00
#000000	8.30	21.00	1.00	1.00
##000000	8.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8AA6B

Deuteranopia (green-blind)

#A89E75

Tritanopia (blue-blind)

#00B7A7

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #31b970;
/* rgb */ color: rgb(49, 185, 112);
/* oklch */ color: oklch(69.7% 0.157 154.6);

Tailwind

colors: {
  custom: {
    50: '#7ccf99',
    500: '#31b970',
    950: '#000000',
  },
}

SCSS

$custom: #31b970;
$custom-light: #7ccf99;
$custom-dark: #000000;

JSON

{
  "hex": "#31b970",
  "rgb": {
    "r": 49,
    "g": 185,
    "b": 112
  },
  "hsl": {
    "h": 147.794,
    "s": 58.12,
    "l": 45.882
  },
  "oklch": {
    "l": 0.69683,
    "c": 0.15691,
    "h": 154.6
  },
  "luminance": 0.36521
}

Semantic roles & 50–950 ramp

primary

#31B970

secondary

#C87DA6

accent

#469AE1

background

#F8FCF9

surface

#EFF9F2

border

#CAD2CC

text

#0B140E

muted

#7C827E

Preview Lab

Preview with #31B970

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

Preview Lab → · Contrast checker → · Palette generator →