#31B259#31B259

#31B259 is a light, vivid green. Relative luminance 0.332; OKLCH L 67.4% C 0.169 H 149.3°. Best body text is #000000 at 7.64:1 contrast (WCAG AA passes).

Color values

HEX	#31B259
RGB	rgb(49, 178, 89)
HSL	hsl(139, 57%, 45%)
HSV	hsv(139, 72%, 70%)
CMYK	cmyk(72.5%, 0%, 50%, 30.2%)
CIE-LAB	lab(64.33, -53.97, 35.54)
CIE-LCH	lch(64.33, 64.62, 146.64°)
OKLab	oklab(67.44% -0.1452 0.0863)
OKLCH	oklch(67.44% 0.169 149.3)
XYZ	xyz(18.9887, 33.2129, 14.8592)
Luminance	0.3322 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B259 #B2318A

analogous

#49B231 #31B259 #31B29A

triadic

#31B259 #5931B2 #B25931

tetradic

#31B259 #3149B2 #B2318A #B29A31

square

#31B259 #3149B2 #B2318A #B29A31

split-complementary

#31B259 #9A31B2 #B23149

monochromatic

#175229 #248241 #31B259 #51CF78 #81DC9D

Accessibility & contrast

On white

2.75

#31B259 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.64

#31B259 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B259

7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B259	#FFFFFF	#000000	##000000
##31B259	1.00	2.75	7.64	7.64
#FFFFFF	2.75	1.00	21.00	21.00
#000000	7.64	21.00	1.00	1.00
##000000	7.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B3A252

Deuteranopia (green-blind)

#A4985F

Tritanopia (blue-blind)

#00AF9D

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #31b259;
/* rgb */ color: rgb(49, 178, 89);
/* oklch */ color: oklch(67.4% 0.169 149.3);

Tailwind

colors: {
  custom: {
    50: '#7bca89',
    500: '#31b259',
    950: '#000000',
  },
}

SCSS

$custom: #31b259;
$custom-light: #7bca89;
$custom-dark: #000000;

JSON

{
  "hex": "#31b259",
  "rgb": {
    "r": 49,
    "g": 178,
    "b": 89
  },
  "hsl": {
    "h": 138.605,
    "s": 56.828,
    "l": 44.51
  },
  "oklch": {
    "l": 0.67437,
    "c": 0.1689,
    "h": 149.3
  },
  "luminance": 0.33215
}

Semantic roles & 50–950 ramp

primary

#31B259

secondary

#C579AE

accent

#48B1E0

background

#F8FCF8

surface

#EFF8F0

border

#CAD1CB

text

#0B130C

muted

#7C827D

Preview Lab

Preview with #31B259

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

Preview Lab → · Contrast checker → · Palette generator →