#31B755#31B755

#31B755 is a light, vivid green. Relative luminance 0.352; OKLCH L 68.7% C 0.179 H 148.0°. Best body text is #000000 at 8.04:1 contrast (WCAG AA passes).

Color values

HEX	#31B755
RGB	rgb(49, 183, 85)
HSL	hsl(136, 58%, 45%)
HSV	hsv(136, 73%, 72%)
CMYK	cmyk(73.2%, 0%, 53.6%, 28.2%)
CIE-LAB	lab(65.88, -56.36, 39.43)
CIE-LCH	lch(65.88, 68.78, 145.02°)
OKLab	oklab(68.7% -0.1517 0.0947)
OKLCH	oklch(68.7% 0.179 148)
XYZ	xyz(19.8383, 35.1736, 14.3362)
Luminance	0.3518 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B755 #B73193

analogous

#50B731 #31B755 #31B798

triadic

#31B755 #5531B7 #B75531

tetradic

#31B755 #3150B7 #B73193 #B79831

square

#31B755 #3150B7 #B73193 #B79831

split-complementary

#31B755 #9831B7 #B73150

monochromatic

#175628 #24873F #31B755 #54D176 #84DE9C

Accessibility & contrast

On white

2.61

#31B755 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.04

#31B755 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B755

8.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B755	#FFFFFF	#000000	##000000
##31B755	1.00	2.61	8.04	8.04
#FFFFFF	2.61	1.00	21.00	21.00
#000000	8.04	21.00	1.00	1.00
##000000	8.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9A74C

Deuteranopia (green-blind)

#A99C5C

Tritanopia (blue-blind)

#00B3A1

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #31b755;
/* rgb */ color: rgb(49, 183, 85);
/* oklch */ color: oklch(68.7% 0.179 148.0);

Tailwind

colors: {
  custom: {
    50: '#7dce87',
    500: '#31b755',
    950: '#000000',
  },
}

SCSS

$custom: #31b755;
$custom-light: #7dce87;
$custom-dark: #000000;

JSON

{
  "hex": "#31b755",
  "rgb": {
    "r": 49,
    "g": 183,
    "b": 85
  },
  "hsl": {
    "h": 136.119,
    "s": 57.759,
    "l": 45.49
  },
  "oklch": {
    "l": 0.68703,
    "c": 0.17882,
    "h": 148
  },
  "luminance": 0.35176
}

Semantic roles & 50–950 ramp

primary

#31B755

secondary

#C87CB3

accent

#47B8E1

background

#F8FCF8

surface

#EFF9F0

border

#CAD2CB

text

#0B140B

muted

#7C827C

Preview Lab

Preview with #31B755

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

Preview Lab → · Contrast checker → · Palette generator →