#31B028#31B028

#31B028 is a light, highly saturated green. Relative luminance 0.319; OKLCH L 66.4% C 0.203 H 142.1°. Best body text is #000000 at 7.37:1 contrast (WCAG AA passes).

Color values

HEX	#31B028
RGB	rgb(49, 176, 40)
HSL	hsl(116, 63%, 42%)
HSV	hsv(116, 77%, 69%)
CMYK	cmyk(72.2%, 0%, 77.3%, 31%)
CIE-LAB	lab(63.22, -58.81, 55.53)
CIE-LCH	lch(63.22, 80.88, 136.64°)
OKLab	oklab(66.37% -0.1601 0.1245)
OKLCH	oklch(66.37% 0.203 142.1)
XYZ	xyz(17.1740, 31.8549, 7.2506)
Luminance	0.3186 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B028 #A728B0

analogous

#75B028 #31B028 #28B063

triadic

#31B028 #2831B0 #B02831

tetradic

#31B028 #2875B0 #A728B0 #B06328

square

#31B028 #2875B0 #A728B0 #B06328

split-complementary

#31B028 #6328B0 #B02875

monochromatic

#154C11 #237E1D #31B028 #4BD441 #7ADF73

Accessibility & contrast

On white

2.85

#31B028 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.37

#31B028 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B028

7.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B028	#FFFFFF	#000000	##000000
##31B028	1.00	2.85	7.37	7.37
#FFFFFF	2.85	1.00	21.00	21.00
#000000	7.37	21.00	1.00	1.00
##000000	7.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B49F04

Deuteranopia (green-blind)

#A69537

Tritanopia (blue-blind)

#05AB96

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #31b028;
/* rgb */ color: rgb(49, 176, 40);
/* oklch */ color: oklch(66.4% 0.203 142.1);

Tailwind

colors: {
  custom: {
    50: '#7dc96c',
    500: '#31b028',
    950: '#000000',
  },
}

SCSS

$custom: #31b028;
$custom-light: #7dc96c;
$custom-dark: #000000;

JSON

{
  "hex": "#31b028",
  "rgb": {
    "r": 49,
    "g": 176,
    "b": 40
  },
  "hsl": {
    "h": 116.029,
    "s": 62.963,
    "l": 42.353
  },
  "oklch": {
    "l": 0.66368,
    "c": 0.20278,
    "h": 142.1
  },
  "luminance": 0.31857
}

Semantic roles & 50–950 ramp

primary

#31B028

secondary

#C16DC6

accent

#42E6DB

background

#F8FCF6

surface

#EFF8EC

border

#CAD1C7

text

#0B1307

muted

#7C827A

Preview Lab

Preview with #31B028

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

Preview Lab → · Contrast checker → · Palette generator →