#31B359#31B359

#31B359 is a light, vivid green. Relative luminance 0.336; OKLCH L 67.7% C 0.170 H 149.2°. Best body text is #000000 at 7.72:1 contrast (WCAG AA passes).

Color values

HEX	#31B359
RGB	rgb(49, 179, 89)
HSL	hsl(138, 57%, 45%)
HSV	hsv(138, 73%, 70%)
CMYK	cmyk(72.6%, 0%, 50.3%, 29.8%)
CIE-LAB	lab(64.65, -54.33, 35.94)
CIE-LCH	lch(64.65, 65.14, 146.52°)
OKLab	oklab(67.7% -0.1462 0.0872)
OKLCH	oklch(67.7% 0.17 149.2)
XYZ	xyz(19.1884, 33.6123, 14.9258)
Luminance	0.3361 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B359 #B3318B

analogous

#4AB331 #31B359 #31B39A

triadic

#31B359 #5931B3 #B35931

tetradic

#31B359 #314AB3 #B3318B #B39A31

square

#31B359 #314AB3 #B3318B #B39A31

split-complementary

#31B359 #9A31B3 #B3314A

monochromatic

#175329 #248341 #31B359 #52D078 #82DD9E

Accessibility & contrast

On white

2.72

#31B359 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.72

#31B359 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B359

7.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B359	#FFFFFF	#000000	##000000
##31B359	1.00	2.72	7.72	7.72
#FFFFFF	2.72	1.00	21.00	21.00
#000000	7.72	21.00	1.00	1.00
##000000	7.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B4A351

Deuteranopia (green-blind)

#A59960

Tritanopia (blue-blind)

#00B09E

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #31b359;
/* rgb */ color: rgb(49, 179, 89);
/* oklch */ color: oklch(67.7% 0.170 149.2);

Tailwind

colors: {
  custom: {
    50: '#7ccb89',
    500: '#31b359',
    950: '#000000',
  },
}

SCSS

$custom: #31b359;
$custom-light: #7ccb89;
$custom-dark: #000000;

JSON

{
  "hex": "#31b359",
  "rgb": {
    "r": 49,
    "g": 179,
    "b": 89
  },
  "hsl": {
    "h": 138.462,
    "s": 57.018,
    "l": 44.706
  },
  "oklch": {
    "l": 0.67702,
    "c": 0.17018,
    "h": 149.2
  },
  "luminance": 0.33614
}

Semantic roles & 50–950 ramp

primary

#31B359

secondary

#C67AAE

accent

#48B1E0

background

#F8FCF8

surface

#EFF9F0

border

#CAD2CB

text

#0B130C

muted

#7C827D

Preview Lab

Preview with #31B359

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

Preview Lab → · Contrast checker → · Palette generator →