#31B355#31B355

#31B355 is a light, vivid green. Relative luminance 0.335; OKLCH L 67.6% C 0.174 H 148.3°. Best body text is #000000 at 7.71:1 contrast (WCAG AA passes).

Color values

HEX	#31B355
RGB	rgb(49, 179, 85)
HSL	hsl(137, 57%, 45%)
HSV	hsv(137, 73%, 70%)
CMYK	cmyk(72.6%, 0%, 52.5%, 29.8%)
CIE-LAB	lab(64.60, -54.94, 37.87)
CIE-LCH	lch(64.60, 66.72, 145.42°)
OKLab	oklab(67.64% -0.1478 0.0913)
OKLCH	oklch(67.64% 0.174 148.3)
XYZ	xyz(19.0249, 33.5469, 14.0651)
Luminance	0.3355 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B355 #B3318F

analogous

#4EB331 #31B355 #31B396

triadic

#31B355 #5531B3 #B35531

tetradic

#31B355 #314EB3 #B3318F #B39631

square

#31B355 #314EB3 #B3318F #B39631

split-complementary

#31B355 #9631B3 #B3314E

monochromatic

#175327 #24833E #31B355 #52D075 #82DD9B

Accessibility & contrast

On white

2.72

#31B355 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.71

#31B355 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B355

7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B355	#FFFFFF	#000000	##000000
##31B355	1.00	2.72	7.71	7.71
#FFFFFF	2.72	1.00	21.00	21.00
#000000	7.71	21.00	1.00	1.00
##000000	7.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5A34D

Deuteranopia (green-blind)

#A5985C

Tritanopia (blue-blind)

#00AF9D

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #31b355;
/* rgb */ color: rgb(49, 179, 85);
/* oklch */ color: oklch(67.6% 0.174 148.3);

Tailwind

colors: {
  custom: {
    50: '#7ccb87',
    500: '#31b355',
    950: '#000000',
  },
}

SCSS

$custom: #31b355;
$custom-light: #7ccb87;
$custom-dark: #000000;

JSON

{
  "hex": "#31b355",
  "rgb": {
    "r": 49,
    "g": 179,
    "b": 85
  },
  "hsl": {
    "h": 136.615,
    "s": 57.018,
    "l": 44.706
  },
  "oklch": {
    "l": 0.67642,
    "c": 0.17375,
    "h": 148.3
  },
  "luminance": 0.33549
}

Semantic roles & 50–950 ramp

primary

#31B355

secondary

#C67AB1

accent

#48B6E0

background

#F8FCF8

surface

#EFF9F0

border

#CAD2CB

text

#0B130B

muted

#7C827C

Preview Lab

Preview with #31B355

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

Preview Lab → · Contrast checker → · Palette generator →