#31B73F#31B73F

#31B73F is a light, vivid green. Relative luminance 0.349; OKLCH L 68.4% C 0.196 H 144.4°. Best body text is #000000 at 7.98:1 contrast (WCAG AA passes).

Color values

HEX	#31B73F
RGB	rgb(49, 183, 63)
HSL	hsl(126, 58%, 45%)
HSV	hsv(126, 73%, 72%)
CMYK	cmyk(73.2%, 0%, 65.6%, 28.2%)
CIE-LAB	lab(65.65, -59.11, 49.28)
CIE-LCH	lch(65.65, 76.95, 140.18°)
OKLab	oklab(68.44% -0.1598 0.1142)
OKLCH	oklch(68.44% 0.196 144.4)
XYZ	xyz(19.0960, 34.8767, 10.4271)
Luminance	0.3488 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B73F #B731A9

analogous

#66B731 #31B73F #31B782

triadic

#31B73F #3F31B7 #B73F31

tetradic

#31B73F #3166B7 #B731A9 #B78231

square

#31B73F #3166B7 #B731A9 #B78231

split-complementary

#31B73F #8231B7 #B73166

monochromatic

#17561E #24872E #31B73F #54D161 #84DE8E

Accessibility & contrast

On white

2.63

#31B73F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.98

#31B73F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B73F

7.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B73F	#FFFFFF	#000000	##000000
##31B73F	1.00	2.63	7.98	7.98
#FFFFFF	2.63	1.00	21.00	21.00
#000000	7.98	21.00	1.00	1.00
##000000	7.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BAA630

Deuteranopia (green-blind)

#AB9B4A

Tritanopia (blue-blind)

#00B29E

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #31b73f;
/* rgb */ color: rgb(49, 183, 63);
/* oklch */ color: oklch(68.4% 0.196 144.4);

Tailwind

colors: {
  custom: {
    50: '#7ece79',
    500: '#31b73f',
    950: '#000000',
  },
}

SCSS

$custom: #31b73f;
$custom-light: #7ece79;
$custom-dark: #000000;

JSON

{
  "hex": "#31b73f",
  "rgb": {
    "r": 49,
    "g": 183,
    "b": 63
  },
  "hsl": {
    "h": 126.269,
    "s": 57.759,
    "l": 45.49
  },
  "oklch": {
    "l": 0.68437,
    "c": 0.19643,
    "h": 144.4
  },
  "luminance": 0.34879
}

Semantic roles & 50–950 ramp

primary

#31B73F

secondary

#C87CC0

accent

#47D1E1

background

#F8FCF7

surface

#EFF9EE

border

#CAD2C9

text

#0B1409

muted

#7C827B

Preview Lab

Preview with #31B73F

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

Preview Lab → · Contrast checker → · Palette generator →