#31B05C#31B05C

#31B05C is a light, vivid green. Relative luminance 0.325; OKLCH L 67.0% C 0.164 H 150.2°. Best body text is #000000 at 7.50:1 contrast (WCAG AA passes).

Color values

HEX	#31B05C
RGB	rgb(49, 176, 92)
HSL	hsl(140, 56%, 44%)
HSV	hsv(140, 72%, 69%)
CMYK	cmyk(72.2%, 0%, 47.7%, 31%)
CIE-LAB	lab(63.73, -52.75, 33.26)
CIE-LCH	lch(63.73, 62.36, 147.77°)
OKLab	oklab(66.96% -0.142 0.0812)
OKLCH	oklch(66.96% 0.164 150.2)
XYZ	xyz(18.7222, 32.4742, 15.4046)
Luminance	0.3248 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B05C #B03185

analogous

#46B031 #31B05C #31B09C

triadic

#31B05C #5C31B0 #B05C31

tetradic

#31B05C #3146B0 #B03185 #B09C31

square

#31B05C #3146B0 #B03185 #B09C31

split-complementary

#31B05C #9C31B0 #B03146

monochromatic

#16502A #248043 #31B05C #50CE7B #80DC9F

Accessibility & contrast

On white

2.80

#31B05C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.50

#31B05C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B05C

7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B05C	#FFFFFF	#000000	##000000
##31B05C	1.00	2.80	7.50	7.50
#FFFFFF	2.80	1.00	21.00	21.00
#000000	7.50	21.00	1.00	1.00
##000000	7.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B1A155

Deuteranopia (green-blind)

#A29662

Tritanopia (blue-blind)

#00AD9C

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #31b05c;
/* rgb */ color: rgb(49, 176, 92);
/* oklch */ color: oklch(67.0% 0.164 150.2);

Tailwind

colors: {
  custom: {
    50: '#7bc98b',
    500: '#31b05c',
    950: '#000000',
  },
}

SCSS

$custom: #31b05c;
$custom-light: #7bc98b;
$custom-dark: #000000;

JSON

{
  "hex": "#31b05c",
  "rgb": {
    "r": 49,
    "g": 176,
    "b": 92
  },
  "hsl": {
    "h": 140.315,
    "s": 56.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.66955,
    "c": 0.16357,
    "h": 150.2
  },
  "luminance": 0.32476
}

Semantic roles & 50–950 ramp

primary

#31B05C

secondary

#C578AB

accent

#48ACE0

background

#F8FCF8

surface

#EFF8F0

border

#CAD1CB

text

#0B130C

muted

#7C827D

Preview Lab

Preview with #31B05C

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

Preview Lab → · Contrast checker → · Palette generator →