#31B651#31B651

#31B651 is a light, vivid green. Relative luminance 0.347; OKLCH L 68.4% C 0.181 H 147.3°. Best body text is #000000 at 7.94:1 contrast (WCAG AA passes).

Color values

HEX	#31B651
RGB	rgb(49, 182, 81)
HSL	hsl(134, 58%, 45%)
HSV	hsv(134, 73%, 71%)
CMYK	cmyk(73.1%, 0%, 55.5%, 28.6%)
CIE-LAB	lab(65.52, -56.57, 40.93)
CIE-LCH	lch(65.52, 69.82, 144.12°)
OKLab	oklab(68.38% -0.1523 0.0978)
OKLCH	oklch(68.38% 0.181 147.3)
XYZ	xyz(19.4783, 34.7007, 13.4543)
Luminance	0.3470 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B651 #B63196

analogous

#53B631 #31B651 #31B693

triadic

#31B651 #5131B6 #B65131

tetradic

#31B651 #3153B6 #B63196 #B69331

square

#31B651 #3153B6 #B63196 #B69331

split-complementary

#31B651 #9331B6 #B63153

monochromatic

#175626 #24863C #31B651 #53D172 #84DE99

Accessibility & contrast

On white

2.64

#31B651 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.94

#31B651 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B651

7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B651	#FFFFFF	#000000	##000000
##31B651	1.00	2.64	7.94	7.94
#FFFFFF	2.64	1.00	21.00	21.00
#000000	7.94	21.00	1.00	1.00
##000000	7.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8A648

Deuteranopia (green-blind)

#A99B59

Tritanopia (blue-blind)

#00B29F

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #31b651;
/* rgb */ color: rgb(49, 182, 81);
/* oklch */ color: oklch(68.4% 0.181 147.3);

Tailwind

colors: {
  custom: {
    50: '#7dcd84',
    500: '#31b651',
    950: '#000000',
  },
}

SCSS

$custom: #31b651;
$custom-light: #7dcd84;
$custom-dark: #000000;

JSON

{
  "hex": "#31b651",
  "rgb": {
    "r": 49,
    "g": 182,
    "b": 81
  },
  "hsl": {
    "h": 134.436,
    "s": 57.576,
    "l": 45.294
  },
  "oklch": {
    "l": 0.68383,
    "c": 0.18102,
    "h": 147.3
  },
  "luminance": 0.34703
}

Semantic roles & 50–950 ramp

primary

#31B651

secondary

#C77CB5

accent

#47BCE1

background

#F8FCF8

surface

#EFF9EF

border

#CAD2CA

text

#0B140B

muted

#7C827C

Preview Lab

Preview with #31B651

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

Preview Lab → · Contrast checker → · Palette generator →