#31B45B#31B45B

#31B45B is a light, vivid green. Relative luminance 0.341; OKLCH L 68.0% C 0.170 H 149.6°. Best body text is #000000 at 7.81:1 contrast (WCAG AA passes).

Color values

HEX	#31B45B
RGB	rgb(49, 180, 91)
HSL	hsl(139, 57%, 45%)
HSV	hsv(139, 73%, 71%)
CMYK	cmyk(72.8%, 0%, 49.4%, 29.4%)
CIE-LAB	lab(65.00, -54.38, 35.36)
CIE-LCH	lch(65.00, 64.86, 146.96°)
OKLab	oklab(68% -0.1463 0.086)
OKLCH	oklch(68% 0.17 149.6)
XYZ	xyz(19.4746, 34.0486, 15.4412)
Luminance	0.3405 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B45B #B4318A

analogous

#48B431 #31B45B #31B49D

triadic

#31B45B #5B31B4 #B45B31

tetradic

#31B45B #3148B4 #B4318A #B49D31

square

#31B45B #3148B4 #B4318A #B49D31

split-complementary

#31B45B #9D31B4 #B43148

monochromatic

#17542A #248443 #31B45B #52D07B #82DD9F

Accessibility & contrast

On white

2.69

#31B45B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.81

#31B45B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B45B

7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B45B	#FFFFFF	#000000	##000000
##31B45B	1.00	2.69	7.81	7.81
#FFFFFF	2.69	1.00	21.00	21.00
#000000	7.81	21.00	1.00	1.00
##000000	7.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5A454

Deuteranopia (green-blind)

#A69961

Tritanopia (blue-blind)

#00B19F

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #31b45b;
/* rgb */ color: rgb(49, 180, 91);
/* oklch */ color: oklch(68.0% 0.170 149.6);

Tailwind

colors: {
  custom: {
    50: '#7ccc8b',
    500: '#31b45b',
    950: '#000000',
  },
}

SCSS

$custom: #31b45b;
$custom-light: #7ccc8b;
$custom-dark: #000000;

JSON

{
  "hex": "#31b45b",
  "rgb": {
    "r": 49,
    "g": 180,
    "b": 91
  },
  "hsl": {
    "h": 139.237,
    "s": 57.205,
    "l": 44.902
  },
  "oklch": {
    "l": 0.67999,
    "c": 0.16968,
    "h": 149.6
  },
  "luminance": 0.34051
}

Semantic roles & 50–950 ramp

primary

#31B45B

secondary

#C67BAE

accent

#47AFE0

background

#F8FCF8

surface

#EFF9F0

border

#CAD2CB

text

#0B130C

muted

#7C827D

Preview Lab

Preview with #31B45B

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

Preview Lab → · Contrast checker → · Palette generator →