#31B53F#31B53F

#31B53F is a light, vivid green. Relative luminance 0.341; OKLCH L 67.9% C 0.194 H 144.5°. Best body text is #000000 at 7.81:1 contrast (WCAG AA passes).

Color values

HEX	#31B53F
RGB	rgb(49, 181, 63)
HSL	hsl(126, 57%, 45%)
HSV	hsv(126, 73%, 71%)
CMYK	cmyk(72.9%, 0%, 65.2%, 29%)
CIE-LAB	lab(65.01, -58.44, 48.57)
CIE-LCH	lch(65.01, 75.98, 140.27°)
OKLab	oklab(67.9% -0.158 0.1127)
OKLCH	oklch(67.9% 0.194 144.5)
XYZ	xyz(18.6865, 34.0575, 10.2906)
Luminance	0.3406 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B53F #B531A7

analogous

#65B531 #31B53F #31B581

triadic

#31B53F #3F31B5 #B53F31

tetradic

#31B53F #3165B5 #B531A7 #B58131

square

#31B53F #3165B5 #B531A7 #B58131

split-complementary

#31B53F #8131B5 #B53165

monochromatic

#17551D #24852E #31B53F #53D060 #83DD8D

Accessibility & contrast

On white

2.69

#31B53F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.81

#31B53F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B53F

7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B53F	#FFFFFF	#000000	##000000
##31B53F	1.00	2.69	7.81	7.81
#FFFFFF	2.69	1.00	21.00	21.00
#000000	7.81	21.00	1.00	1.00
##000000	7.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8A430

Deuteranopia (green-blind)

#A99A4A

Tritanopia (blue-blind)

#00B09C

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #31b53f;
/* rgb */ color: rgb(49, 181, 63);
/* oklch */ color: oklch(67.9% 0.194 144.5);

Tailwind

colors: {
  custom: {
    50: '#7dcc79',
    500: '#31b53f',
    950: '#000000',
  },
}

SCSS

$custom: #31b53f;
$custom-light: #7dcc79;
$custom-dark: #000000;

JSON

{
  "hex": "#31b53f",
  "rgb": {
    "r": 49,
    "g": 181,
    "b": 63
  },
  "hsl": {
    "h": 126.364,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.67903,
    "c": 0.19408,
    "h": 144.5
  },
  "luminance": 0.3406
}

Semantic roles & 50–950 ramp

primary

#31B53F

secondary

#C77BBF

accent

#47D0E1

background

#F8FCF7

surface

#EFF9EE

border

#CAD2C9

text

#0B1309

muted

#7C827B

Preview Lab

Preview with #31B53F

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

Preview Lab → · Contrast checker → · Palette generator →