#31B640#31B640

#31B640 is a light, vivid green. Relative luminance 0.345; OKLCH L 68.2% C 0.195 H 144.6°. Best body text is #000000 at 7.90:1 contrast (WCAG AA passes).

Color values

HEX	#31B640
RGB	rgb(49, 182, 64)
HSL	hsl(127, 58%, 45%)
HSV	hsv(127, 73%, 71%)
CMYK	cmyk(73.1%, 0%, 64.8%, 28.6%)
CIE-LAB	lab(65.34, -58.66, 48.50)
CIE-LCH	lch(65.34, 76.12, 140.42°)
OKLab	oklab(68.18% -0.1586 0.1127)
OKLCH	oklch(68.18% 0.195 144.6)
XYZ	xyz(18.9187, 34.4769, 10.5071)
Luminance	0.3448 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B640 #B631A7

analogous

#64B631 #31B640 #31B682

triadic

#31B640 #4031B6 #B64031

tetradic

#31B640 #3164B6 #B631A7 #B68231

square

#31B640 #3164B6 #B631A7 #B68231

split-complementary

#31B640 #8231B6 #B63164

monochromatic

#17561E #24862F #31B640 #53D162 #84DE8E

Accessibility & contrast

On white

2.66

#31B640 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.90

#31B640 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B640

7.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B640	#FFFFFF	#000000	##000000
##31B640	1.00	2.66	7.90	7.90
#FFFFFF	2.66	1.00	21.00	21.00
#000000	7.90	21.00	1.00	1.00
##000000	7.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9A532

Deuteranopia (green-blind)

#AA9B4A

Tritanopia (blue-blind)

#00B19D

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #31b640;
/* rgb */ color: rgb(49, 182, 64);
/* oklch */ color: oklch(68.2% 0.195 144.6);

Tailwind

colors: {
  custom: {
    50: '#7dcd7a',
    500: '#31b640',
    950: '#000000',
  },
}

SCSS

$custom: #31b640;
$custom-light: #7dcd7a;
$custom-dark: #000000;

JSON

{
  "hex": "#31b640",
  "rgb": {
    "r": 49,
    "g": 182,
    "b": 64
  },
  "hsl": {
    "h": 126.767,
    "s": 57.576,
    "l": 45.294
  },
  "oklch": {
    "l": 0.6818,
    "c": 0.19453,
    "h": 144.6
  },
  "luminance": 0.34479
}

Semantic roles & 50–950 ramp

primary

#31B640

secondary

#C77CBF

accent

#47CFE1

background

#F8FCF7

surface

#EFF9EE

border

#CAD2C9

text

#0B1409

muted

#7C827B

Preview Lab

Preview with #31B640

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

Preview Lab → · Contrast checker → · Palette generator →