#31B45A#31B45A

#31B45A is a light, vivid green. Relative luminance 0.340; OKLCH L 68.0% C 0.171 H 149.3°. Best body text is #000000 at 7.81:1 contrast (WCAG AA passes).

Color values

HEX	#31B45A
RGB	rgb(49, 180, 90)
HSL	hsl(139, 57%, 45%)
HSV	hsv(139, 73%, 71%)
CMYK	cmyk(72.8%, 0%, 50%, 29.4%)
CIE-LAB	lab(64.99, -54.53, 35.85)
CIE-LCH	lch(64.99, 65.26, 146.68°)
OKLab	oklab(67.98% -0.1467 0.087)
OKLCH	oklch(67.98% 0.171 149.3)
XYZ	xyz(19.4318, 34.0315, 15.2155)
Luminance	0.3403 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B45A #B4318B

analogous

#49B431 #31B45A #31B49C

triadic

#31B45A #5A31B4 #B45A31

tetradic

#31B45A #3149B4 #B4318B #B49C31

square

#31B45A #3149B4 #B4318B #B49C31

split-complementary

#31B45A #9C31B4 #B43149

monochromatic

#17542A #248442 #31B45A #52D07A #82DD9F

Accessibility & contrast

On white

2.69

#31B45A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.81

#31B45A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B45A

7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B45A	#FFFFFF	#000000	##000000
##31B45A	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)

#B5A453

Deuteranopia (green-blind)

#A69961

Tritanopia (blue-blind)

#00B19F

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #31b45a;
/* rgb */ color: rgb(49, 180, 90);
/* oklch */ color: oklch(68.0% 0.171 149.3);

Tailwind

colors: {
  custom: {
    50: '#7ccc8a',
    500: '#31b45a',
    950: '#000000',
  },
}

SCSS

$custom: #31b45a;
$custom-light: #7ccc8a;
$custom-dark: #000000;

JSON

{
  "hex": "#31b45a",
  "rgb": {
    "r": 49,
    "g": 180,
    "b": 90
  },
  "hsl": {
    "h": 138.779,
    "s": 57.205,
    "l": 44.902
  },
  "oklch": {
    "l": 0.67983,
    "c": 0.17057,
    "h": 149.3
  },
  "luminance": 0.34034
}

Semantic roles & 50–950 ramp

primary

#31B45A

secondary

#C67BAF

accent

#47B1E0

background

#F8FCF8

surface

#EFF9F0

border

#CAD2CB

text

#0B130C

muted

#7C827D

Preview Lab

Preview with #31B45A

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

Preview Lab → · Contrast checker → · Palette generator →