#31B455#31B455

#31B455 is a light, vivid green. Relative luminance 0.340; OKLCH L 67.9% C 0.175 H 148.2°. Best body text is #000000 at 7.79:1 contrast (WCAG AA passes).

Color values

HEX	#31B455
RGB	rgb(49, 180, 85)
HSL	hsl(136, 57%, 45%)
HSV	hsv(136, 73%, 71%)
CMYK	cmyk(72.8%, 0%, 52.8%, 29.4%)
CIE-LAB	lab(64.92, -55.29, 38.26)
CIE-LCH	lch(64.92, 67.24, 145.32°)
OKLab	oklab(67.91% -0.1488 0.0921)
OKLCH	oklch(67.91% 0.175 148.2)
XYZ	xyz(19.2261, 33.9492, 14.1322)
Luminance	0.3395 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B455 #B43190

analogous

#4EB431 #31B455 #31B497

triadic

#31B455 #5531B4 #B45531

tetradic

#31B455 #314EB4 #B43190 #B49731

square

#31B455 #314EB4 #B43190 #B49731

split-complementary

#31B455 #9731B4 #B4314E

monochromatic

#175428 #24843E #31B455 #52D075 #82DD9B

Accessibility & contrast

On white

2.70

#31B455 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.79

#31B455 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B455

7.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B455	#FFFFFF	#000000	##000000
##31B455	1.00	2.70	7.79	7.79
#FFFFFF	2.70	1.00	21.00	21.00
#000000	7.79	21.00	1.00	1.00
##000000	7.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6A44D

Deuteranopia (green-blind)

#A6995C

Tritanopia (blue-blind)

#00B09E

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #31b455;
/* rgb */ color: rgb(49, 180, 85);
/* oklch */ color: oklch(67.9% 0.175 148.2);

Tailwind

colors: {
  custom: {
    50: '#7ccc87',
    500: '#31b455',
    950: '#000000',
  },
}

SCSS

$custom: #31b455;
$custom-light: #7ccc87;
$custom-dark: #000000;

JSON

{
  "hex": "#31b455",
  "rgb": {
    "r": 49,
    "g": 180,
    "b": 85
  },
  "hsl": {
    "h": 136.489,
    "s": 57.205,
    "l": 44.902
  },
  "oklch": {
    "l": 0.67908,
    "c": 0.17503,
    "h": 148.2
  },
  "luminance": 0.33951
}

Semantic roles & 50–950 ramp

primary

#31B455

secondary

#C67BB1

accent

#47B6E0

background

#F8FCF8

surface

#EFF9F0

border

#CAD2CB

text

#0B130B

muted

#7C827C

Preview Lab

Preview with #31B455

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

Preview Lab → · Contrast checker → · Palette generator →