#51B37A#51B37A

#51B37A is a light, vivid green. Relative luminance 0.354; OKLCH L 69.3% C 0.126 H 155.5°. Best body text is #000000 at 8.08:1 contrast (WCAG AA passes).

Color values

HEX	#51B37A
RGB	rgb(81, 179, 122)
HSL	hsl(145, 39%, 51%)
HSV	hsv(145, 55%, 70%)
CMYK	cmyk(54.7%, 0%, 31.8%, 29.8%)
CIE-LAB	lab(66.05, -41.99, 20.61)
CIE-LCH	lch(66.05, 46.78, 153.85°)
OKLab	oklab(69.27% -0.1144 0.0521)
OKLCH	oklch(69.27% 0.126 155.5)
XYZ	xyz(23.0245, 35.3926, 24.0267)
Luminance	0.3539 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51B37A #B3518A

analogous

#59B351 #51B37A #51B3AB

triadic

#51B37A #7A51B3 #B37A51

tetradic

#51B37A #5159B3 #B3518A #B3AB51

square

#51B37A #5159B3 #B3518A #B3AB51

split-complementary

#51B37A #AB51B3 #B35159

monochromatic

#2A6040 #3C8A5D #51B37A #7CC69B #A6D8BB

Accessibility & contrast

On white

2.60

#51B37A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.08

#51B37A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B37A

8.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51B37A	#FFFFFF	#000000	##000000
##51B37A	1.00	2.60	8.08	8.08
#FFFFFF	2.60	1.00	21.00	21.00
#000000	8.08	21.00	1.00	1.00
##000000	8.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B2A676

Deuteranopia (green-blind)

#A59D7E

Tritanopia (blue-blind)

#34B1A4

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #51b37a;
/* rgb */ color: rgb(81, 179, 122);
/* oklch */ color: oklch(69.3% 0.126 155.5);

Tailwind

colors: {
  custom: {
    50: '#89caa0',
    500: '#51b37a',
    950: '#000000',
  },
}

SCSS

$custom: #51b37a;
$custom-light: #89caa0;
$custom-dark: #000000;

JSON

{
  "hex": "#51b37a",
  "rgb": {
    "r": 81,
    "g": 179,
    "b": 122
  },
  "hsl": {
    "h": 145.102,
    "s": 39.2,
    "l": 50.98
  },
  "oklch": {
    "l": 0.69273,
    "c": 0.12574,
    "h": 155.5
  },
  "luminance": 0.35395
}

Semantic roles & 50–950 ramp

primary

#51B37A

secondary

#C69AB3

accent

#599ECF

background

#F8FCF9

surface

#F0F8F2

border

#CBD1CC

text

#0C130F

muted

#7D827E

Preview Lab

Preview with #51B37A

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

Preview Lab → · Contrast checker → · Palette generator →