#31B645#31B645

#31B645 is a light, vivid green. Relative luminance 0.345; OKLCH L 68.2% C 0.191 H 145.3°. Best body text is #000000 at 7.91:1 contrast (WCAG AA passes).

Color values

HEX	#31B645
RGB	rgb(49, 182, 69)
HSL	hsl(129, 58%, 45%)
HSV	hsv(129, 73%, 71%)
CMYK	cmyk(73.1%, 0%, 62.1%, 28.6%)
CIE-LAB	lab(65.39, -58.10, 46.36)
CIE-LCH	lch(65.39, 74.33, 141.41°)
OKLab	oklab(68.23% -0.1568 0.1086)
OKLCH	oklch(68.23% 0.191 145.3)
XYZ	xyz(19.0674, 34.5364, 11.2904)
Luminance	0.3454 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B645 #B631A2

analogous

#5FB631 #31B645 #31B688

triadic

#31B645 #4531B6 #B64531

tetradic

#31B645 #315FB6 #B631A2 #B68831

square

#31B645 #315FB6 #B631A2 #B68831

split-complementary

#31B645 #8831B6 #B6315F

monochromatic

#175620 #248633 #31B645 #53D166 #84DE91

Accessibility & contrast

On white

2.66

#31B645 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.91

#31B645 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B645

7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B645	#FFFFFF	#000000	##000000
##31B645	1.00	2.66	7.91	7.91
#FFFFFF	2.66	1.00	21.00	21.00
#000000	7.91	21.00	1.00	1.00
##000000	7.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9A538

Deuteranopia (green-blind)

#AA9B4F

Tritanopia (blue-blind)

#00B19E

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #31b645;
/* rgb */ color: rgb(49, 182, 69);
/* oklch */ color: oklch(68.2% 0.191 145.3);

Tailwind

colors: {
  custom: {
    50: '#7dcd7d',
    500: '#31b645',
    950: '#000000',
  },
}

SCSS

$custom: #31b645;
$custom-light: #7dcd7d;
$custom-dark: #000000;

JSON

{
  "hex": "#31b645",
  "rgb": {
    "r": 49,
    "g": 182,
    "b": 69
  },
  "hsl": {
    "h": 129.023,
    "s": 57.576,
    "l": 45.294
  },
  "oklch": {
    "l": 0.68234,
    "c": 0.19077,
    "h": 145.3
  },
  "luminance": 0.34539
}

Semantic roles & 50–950 ramp

primary

#31B645

secondary

#C77CBC

accent

#47CAE1

background

#F8FCF7

surface

#EFF9EE

border

#CAD2C9

text

#0B140A

muted

#7C827C

Preview Lab

Preview with #31B645

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

Preview Lab → · Contrast checker → · Palette generator →