#31A643#31A643

#31A643 is a light, vivid green. Relative luminance 0.283; OKLCH L 63.9% C 0.173 H 145.6°. Best body text is #000000 at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#31A643
RGB	rgb(49, 166, 67)
HSL	hsl(129, 54%, 42%)
HSV	hsv(129, 70%, 65%)
CMYK	cmyk(70.5%, 0%, 59.6%, 34.9%)
CIE-LAB	lab(60.18, -52.80, 41.30)
CIE-LCH	lch(60.18, 67.03, 141.96°)
OKLab	oklab(63.92% -0.1425 0.0976)
OKLCH	oklch(63.92% 0.173 145.6)
XYZ	xyz(15.9149, 28.3289, 9.9384)
Luminance	0.2833 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31A643 #A63194

analogous

#59A631 #31A643 #31A67E

triadic

#31A643 #4331A6 #A64331

tetradic

#31A643 #3159A6 #A63194 #A67E31

square

#31A643 #3159A6 #A63194 #A67E31

split-complementary

#31A643 #7E31A6 #A63159

monochromatic

#15471D #237730 #31A643 #4ACA5E #7AD888

Accessibility & contrast

On white

3.15

#31A643 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.67

#31A643 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #31A643

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31A643	#FFFFFF	#000000	##000000
##31A643	1.00	3.15	6.67	6.67
#FFFFFF	3.15	1.00	21.00	21.00
#000000	6.67	21.00	1.00	1.00
##000000	6.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A99739

Deuteranopia (green-blind)

#9B8D4B

Tritanopia (blue-blind)

#00A290

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #31a643;
/* rgb */ color: rgb(49, 166, 67);
/* oklch */ color: oklch(63.9% 0.173 145.6);

Tailwind

colors: {
  custom: {
    50: '#7ac17a',
    500: '#31a643',
    950: '#000000',
  },
}

SCSS

$custom: #31a643;
$custom-light: #7ac17a;
$custom-dark: #000000;

JSON

{
  "hex": "#31a643",
  "rgb": {
    "r": 49,
    "g": 166,
    "b": 67
  },
  "hsl": {
    "h": 129.231,
    "s": 54.419,
    "l": 42.157
  },
  "oklch": {
    "l": 0.63919,
    "c": 0.17273,
    "h": 145.6
  },
  "luminance": 0.28331
}

Semantic roles & 50–950 ramp

primary

#31A643

secondary

#C073B4

accent

#4AC7DE

background

#F8FCF7

surface

#EFF8EE

border

#CAD1C9

text

#0A1209

muted

#7C817B

Preview Lab

Preview with #31A643

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

Preview Lab → · Contrast checker → · Palette generator →