#31B751#31B751

#31B751 is a light, vivid green. Relative luminance 0.351; OKLCH L 68.6% C 0.182 H 147.2°. Best body text is #000000 at 8.02:1 contrast (WCAG AA passes).

Color values

HEX	#31B751
RGB	rgb(49, 183, 81)
HSL	hsl(134, 58%, 45%)
HSV	hsv(134, 73%, 72%)
CMYK	cmyk(73.2%, 0%, 55.7%, 28.2%)
CIE-LAB	lab(65.84, -56.92, 41.31)
CIE-LCH	lch(65.84, 70.33, 144.03°)
OKLab	oklab(68.65% -0.1533 0.0986)
OKLCH	oklch(68.65% 0.182 147.2)
XYZ	xyz(19.6838, 35.1118, 13.5229)
Luminance	0.3511 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B751 #B73197

analogous

#54B731 #31B751 #31B794

triadic

#31B751 #5131B7 #B75131

tetradic

#31B751 #3154B7 #B73197 #B79431

square

#31B751 #3154B7 #B73197 #B79431

split-complementary

#31B751 #9431B7 #B73154

monochromatic

#175626 #24873C #31B751 #54D172 #84DE9A

Accessibility & contrast

On white

2.62

#31B751 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.02

#31B751 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B751

8.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B751	#FFFFFF	#000000	##000000
##31B751	1.00	2.62	8.02	8.02
#FFFFFF	2.62	1.00	21.00	21.00
#000000	8.02	21.00	1.00	1.00
##000000	8.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9A747

Deuteranopia (green-blind)

#AA9C59

Tritanopia (blue-blind)

#00B3A0

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #31b751;
/* rgb */ color: rgb(49, 183, 81);
/* oklch */ color: oklch(68.6% 0.182 147.2);

Tailwind

colors: {
  custom: {
    50: '#7dce84',
    500: '#31b751',
    950: '#000000',
  },
}

SCSS

$custom: #31b751;
$custom-light: #7dce84;
$custom-dark: #000000;

JSON

{
  "hex": "#31b751",
  "rgb": {
    "r": 49,
    "g": 183,
    "b": 81
  },
  "hsl": {
    "h": 134.328,
    "s": 57.759,
    "l": 45.49
  },
  "oklch": {
    "l": 0.68648,
    "c": 0.18226,
    "h": 147.2
  },
  "luminance": 0.35114
}

Semantic roles & 50–950 ramp

primary

#31B751

secondary

#C87CB6

accent

#47BCE1

background

#F8FCF8

surface

#EFF9EF

border

#CAD2CA

text

#0B140B

muted

#7C827C

Preview Lab

Preview with #31B751

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

Preview Lab → · Contrast checker → · Palette generator →