#31B033#31B033

#31B033 is a light, vivid green. Relative luminance 0.319; OKLCH L 66.4% C 0.196 H 143.2°. Best body text is #000000 at 7.39:1 contrast (WCAG AA passes).

Color values

HEX	#31B033
RGB	rgb(49, 176, 51)
HSL	hsl(121, 56%, 44%)
HSV	hsv(121, 72%, 69%)
CMYK	cmyk(72.2%, 0%, 71%, 31%)
CIE-LAB	lab(63.29, -57.94, 51.64)
CIE-LCH	lch(63.29, 77.61, 138.29°)
OKLab	oklab(66.45% -0.1572 0.1178)
OKLCH	oklch(66.45% 0.196 143.2)
XYZ	xyz(17.3884, 31.9407, 8.3801)
Luminance	0.3194 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B033 #B031AE

analogous

#6FB031 #31B033 #31B073

triadic

#31B033 #3331B0 #B03331

tetradic

#31B033 #316FB0 #B031AE #B07331

square

#31B033 #316FB0 #B031AE #B07331

split-complementary

#31B033 #7331B0 #B0316F

monochromatic

#165017 #248025 #31B033 #50CE52 #80DC81

Accessibility & contrast

On white

2.84

#31B033 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.39

#31B033 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B033

7.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B033	#FFFFFF	#000000	##000000
##31B033	1.00	2.84	7.39	7.39
#FFFFFF	2.84	1.00	21.00	21.00
#000000	7.39	21.00	1.00	1.00
##000000	7.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B49F1F

Deuteranopia (green-blind)

#A5953F

Tritanopia (blue-blind)

#00AB97

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #31b033;
/* rgb */ color: rgb(49, 176, 51);
/* oklch */ color: oklch(66.4% 0.196 143.2);

Tailwind

colors: {
  custom: {
    50: '#7dc972',
    500: '#31b033',
    950: '#000000',
  },
}

SCSS

$custom: #31b033;
$custom-light: #7dc972;
$custom-dark: #000000;

JSON

{
  "hex": "#31b033",
  "rgb": {
    "r": 49,
    "g": 176,
    "b": 51
  },
  "hsl": {
    "h": 120.945,
    "s": 56.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.66449,
    "c": 0.19645,
    "h": 143.2
  },
  "luminance": 0.31943
}

Semantic roles & 50–950 ramp

primary

#31B033

secondary

#C578C3

accent

#48DDE0

background

#F8FCF7

surface

#EFF8ED

border

#CAD1C8

text

#0B1308

muted

#7C827B

Preview Lab

Preview with #31B033

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

Preview Lab → · Contrast checker → · Palette generator →