#31B638#31B638

#31B638 is a light, highly saturated green. Relative luminance 0.344; OKLCH L 68.1% C 0.200 H 143.6°. Best body text is #000000 at 7.88:1 contrast (WCAG AA passes).

Color values

HEX	#31B638
RGB	rgb(49, 182, 56)
HSL	hsl(123, 58%, 45%)
HSV	hsv(123, 73%, 71%)
CMYK	cmyk(73.1%, 0%, 69.2%, 28.6%)
CIE-LAB	lab(65.27, -59.47, 51.75)
CIE-LCH	lch(65.27, 78.84, 138.97°)
OKLab	oklab(68.1% -0.1611 0.1187)
OKLCH	oklch(68.1% 0.2 143.6)
XYZ	xyz(18.7072, 34.3923, 9.3931)
Luminance	0.3439 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B638 #B631AF

analogous

#6CB631 #31B638 #31B67A

triadic

#31B638 #3831B6 #B63831

tetradic

#31B638 #316CB6 #B631AF #B67A31

square

#31B638 #316CB6 #B631AF #B67A31

split-complementary

#31B638 #7A31B6 #B6316C

monochromatic

#17561A #248629 #31B638 #53D15A #84DE88

Accessibility & contrast

On white

2.67

#31B638 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.88

#31B638 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B638

7.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B638	#FFFFFF	#000000	##000000
##31B638	1.00	2.67	7.88	7.88
#FFFFFF	2.67	1.00	21.00	21.00
#000000	7.88	21.00	1.00	1.00
##000000	7.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BAA526

Deuteranopia (green-blind)

#AB9A44

Tritanopia (blue-blind)

#00B19D

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #31b638;
/* rgb */ color: rgb(49, 182, 56);
/* oklch */ color: oklch(68.1% 0.200 143.6);

Tailwind

colors: {
  custom: {
    50: '#7ecd75',
    500: '#31b638',
    950: '#000000',
  },
}

SCSS

$custom: #31b638;
$custom-light: #7ecd75;
$custom-dark: #000000;

JSON

{
  "hex": "#31b638",
  "rgb": {
    "r": 49,
    "g": 182,
    "b": 56
  },
  "hsl": {
    "h": 123.158,
    "s": 57.576,
    "l": 45.294
  },
  "oklch": {
    "l": 0.68104,
    "c": 0.20009,
    "h": 143.6
  },
  "luminance": 0.34394
}

Semantic roles & 50–950 ramp

primary

#31B638

secondary

#C77CC3

accent

#47D9E1

background

#F8FCF7

surface

#EFF9ED

border

#CAD2C8

text

#0B1409

muted

#7C827B

Preview Lab

Preview with #31B638

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

Preview Lab → · Contrast checker → · Palette generator →