#31B25B#31B25B

#31B25B is a light, vivid green. Relative luminance 0.332; OKLCH L 67.5% C 0.167 H 149.8°. Best body text is #000000 at 7.65:1 contrast (WCAG AA passes).

Color values

HEX	#31B25B
RGB	rgb(49, 178, 91)
HSL	hsl(140, 57%, 45%)
HSV	hsv(140, 72%, 70%)
CMYK	cmyk(72.5%, 0%, 48.9%, 30.2%)
CIE-LAB	lab(64.36, -53.65, 34.56)
CIE-LCH	lch(64.36, 63.82, 147.21°)
OKLab	oklab(67.47% -0.1443 0.0841)
OKLCH	oklch(67.47% 0.167 149.8)
XYZ	xyz(19.0738, 33.2469, 15.3076)
Luminance	0.3325 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B25B #B23188

analogous

#48B231 #31B25B #31B29C

triadic

#31B25B #5B31B2 #B25B31

tetradic

#31B25B #3148B2 #B23188 #B29C31

square

#31B25B #3148B2 #B23188 #B29C31

split-complementary

#31B25B #9C31B2 #B23148

monochromatic

#17522A #248242 #31B25B #51CF7A #81DC9F

Accessibility & contrast

On white

2.75

#31B25B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.65

#31B25B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B25B

7.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B25B	#FFFFFF	#000000	##000000
##31B25B	1.00	2.75	7.65	7.65
#FFFFFF	2.75	1.00	21.00	21.00
#000000	7.65	21.00	1.00	1.00
##000000	7.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B3A354

Deuteranopia (green-blind)

#A49861

Tritanopia (blue-blind)

#00AF9E

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #31b25b;
/* rgb */ color: rgb(49, 178, 91);
/* oklch */ color: oklch(67.5% 0.167 149.8);

Tailwind

colors: {
  custom: {
    50: '#7bca8b',
    500: '#31b25b',
    950: '#000000',
  },
}

SCSS

$custom: #31b25b;
$custom-light: #7bca8b;
$custom-dark: #000000;

JSON

{
  "hex": "#31b25b",
  "rgb": {
    "r": 49,
    "g": 178,
    "b": 91
  },
  "hsl": {
    "h": 139.535,
    "s": 56.828,
    "l": 44.51
  },
  "oklch": {
    "l": 0.67469,
    "c": 0.16708,
    "h": 149.8
  },
  "luminance": 0.33249
}

Semantic roles & 50–950 ramp

primary

#31B25B

secondary

#C579AD

accent

#48AEE0

background

#F8FCF8

surface

#EFF8F0

border

#CAD1CB

text

#0B130C

muted

#7C827D

Preview Lab

Preview with #31B25B

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

Preview Lab → · Contrast checker → · Palette generator →