#31B445#31B445

#31B445 is a light, vivid green. Relative luminance 0.337; OKLCH L 67.7% C 0.188 H 145.4°. Best body text is #000000 at 7.74:1 contrast (WCAG AA passes).

Color values

HEX	#31B445
RGB	rgb(49, 180, 69)
HSL	hsl(129, 57%, 45%)
HSV	hsv(129, 73%, 71%)
CMYK	cmyk(72.8%, 0%, 61.7%, 29.4%)
CIE-LAB	lab(64.74, -57.42, 45.63)
CIE-LCH	lch(64.74, 73.34, 141.53°)
OKLab	oklab(67.7% -0.155 0.107)
OKLCH	oklch(67.7% 0.188 145.4)
XYZ	xyz(18.6608, 33.7230, 11.1548)
Luminance	0.3372 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B445 #B431A0

analogous

#5FB431 #31B445 #31B486

triadic

#31B445 #4531B4 #B44531

tetradic

#31B445 #315FB4 #B431A0 #B48631

square

#31B445 #315FB4 #B431A0 #B48631

split-complementary

#31B445 #8631B4 #B4315F

monochromatic

#175420 #248433 #31B445 #52D065 #82DD90

Accessibility & contrast

On white

2.71

#31B445 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.74

#31B445 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B445

7.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B445	#FFFFFF	#000000	##000000
##31B445	1.00	2.71	7.74	7.74
#FFFFFF	2.71	1.00	21.00	21.00
#000000	7.74	21.00	1.00	1.00
##000000	7.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7A339

Deuteranopia (green-blind)

#A8994E

Tritanopia (blue-blind)

#00AF9C

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #31b445;
/* rgb */ color: rgb(49, 180, 69);
/* oklch */ color: oklch(67.7% 0.188 145.4);

Tailwind

colors: {
  custom: {
    50: '#7dcc7d',
    500: '#31b445',
    950: '#000000',
  },
}

SCSS

$custom: #31b445;
$custom-light: #7dcc7d;
$custom-dark: #000000;

JSON

{
  "hex": "#31b445",
  "rgb": {
    "r": 49,
    "g": 180,
    "b": 69
  },
  "hsl": {
    "h": 129.16,
    "s": 57.205,
    "l": 44.902
  },
  "oklch": {
    "l": 0.677,
    "c": 0.18836,
    "h": 145.4
  },
  "luminance": 0.33725
}

Semantic roles & 50–950 ramp

primary

#31B445

secondary

#C67BBB

accent

#47C9E0

background

#F8FCF7

surface

#EFF9EE

border

#CAD2C9

text

#0B130A

muted

#7C827C

Preview Lab

Preview with #31B445

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

Preview Lab → · Contrast checker → · Palette generator →