#31B66F#31B66F

#31B66F is a light, vivid green. Relative luminance 0.353; OKLCH L 68.9% C 0.154 H 154.8°. Best body text is #000000 at 8.05:1 contrast (WCAG AA passes).

Color values

HEX	#31B66F
RGB	rgb(49, 182, 111)
HSL	hsl(148, 58%, 45%)
HSV	hsv(148, 73%, 71%)
CMYK	cmyk(73.1%, 0%, 39%, 28.6%)
CIE-LAB	lab(65.95, -51.61, 26.21)
CIE-LCH	lch(65.95, 57.88, 153.08°)
OKLab	oklab(68.88% -0.1393 0.0654)
OKLCH	oklch(68.88% 0.154 154.8)
XYZ	xyz(20.8619, 35.2542, 20.7411)
Luminance	0.3526 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B66F #B63178

analogous

#35B631 #31B66F #31B6B1

triadic

#31B66F #6F31B6 #B66F31

tetradic

#31B66F #3135B6 #B63178 #B6B131

square

#31B66F #3135B6 #B63178 #B6B131

split-complementary

#31B66F #B131B6 #B63135

monochromatic

#175634 #248652 #31B66F #53D18E #84DEAE

Accessibility & contrast

On white

2.61

#31B66F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.05

#31B66F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B66F

8.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B66F	#FFFFFF	#000000	##000000
##31B66F	1.00	2.61	8.05	8.05
#FFFFFF	2.61	1.00	21.00	21.00
#000000	8.05	21.00	1.00	1.00
##000000	8.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5A76A

Deuteranopia (green-blind)

#A59C74

Tritanopia (blue-blind)

#00B4A4

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #31b66f;
/* rgb */ color: rgb(49, 182, 111);
/* oklch */ color: oklch(68.9% 0.154 154.8);

Tailwind

colors: {
  custom: {
    50: '#7ccd99',
    500: '#31b66f',
    950: '#000000',
  },
}

SCSS

$custom: #31b66f;
$custom-light: #7ccd99;
$custom-dark: #000000;

JSON

{
  "hex": "#31b66f",
  "rgb": {
    "r": 49,
    "g": 182,
    "b": 111
  },
  "hsl": {
    "h": 147.97,
    "s": 57.576,
    "l": 45.294
  },
  "oklch": {
    "l": 0.68879,
    "c": 0.15387,
    "h": 154.8
  },
  "luminance": 0.35257
}

Semantic roles & 50–950 ramp

primary

#31B66F

secondary

#C77CA4

accent

#4799E1

background

#F8FCF9

surface

#EFF9F2

border

#CAD2CC

text

#0B140E

muted

#7C827E

Preview Lab

Preview with #31B66F

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

Preview Lab → · Contrast checker → · Palette generator →