#51BB49#51BB49

#51BB49 is a light, vivid green. Relative luminance 0.378; OKLCH L 70.5% C 0.182 H 142.2°. Best body text is #000000 at 8.55:1 contrast (WCAG AA passes).

Color values

HEX	#51BB49
RGB	rgb(81, 187, 73)
HSL	hsl(116, 46%, 51%)
HSV	hsv(116, 61%, 73%)
CMYK	cmyk(56.7%, 0%, 61%, 26.7%)
CIE-LAB	lab(67.85, -52.74, 47.59)
CIE-LCH	lch(67.85, 71.04, 137.94°)
OKLab	oklab(70.52% -0.1437 0.1115)
OKLCH	oklch(70.52% 0.182 142.2)
XYZ	xyz(22.3651, 37.7691, 12.4136)
Luminance	0.3777 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BB49 #B349BB

analogous

#8ABB49 #51BB49 #49BB7A

triadic

#51BB49 #4951BB #BB4951

tetradic

#51BB49 #498ABB #B349BB #BB7A49

square

#51BB49 #498ABB #B349BB #BB7A49

split-complementary

#51BB49 #7A49BB #BB498A

monochromatic

#2A6425 #3C9136 #51BB49 #7CCC76 #A6DCA2

Accessibility & contrast

On white

2.45

#51BB49 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.55

#51BB49 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BB49

8.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BB49	#FFFFFF	#000000	##000000
##51BB49	1.00	2.45	8.55	8.55
#FFFFFF	2.45	1.00	21.00	21.00
#000000	8.55	21.00	1.00	1.00
##000000	8.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BFAB3C

Deuteranopia (green-blind)

#B2A252

Tritanopia (blue-blind)

#41B6A3

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #51bb49;
/* rgb */ color: rgb(81, 187, 73);
/* oklch */ color: oklch(70.5% 0.182 142.2);

Tailwind

colors: {
  custom: {
    50: '#8cd080',
    500: '#51bb49',
    950: '#000000',
  },
}

SCSS

$custom: #51bb49;
$custom-light: #8cd080;
$custom-dark: #000000;

JSON

{
  "hex": "#51bb49",
  "rgb": {
    "r": 81,
    "g": 187,
    "b": 73
  },
  "hsl": {
    "h": 115.789,
    "s": 45.6,
    "l": 50.98
  },
  "oklch": {
    "l": 0.7052,
    "c": 0.18186,
    "h": 142.2
  },
  "luminance": 0.37771
}

Semantic roles & 50–950 ramp

primary

#51BB49

secondary

#C697C9

accent

#53D5CC

background

#F9FCF8

surface

#F1F9EF

border

#CBD2CA

text

#0D140A

muted

#7E827C

Preview Lab

Preview with #51BB49

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

Preview Lab → · Contrast checker → · Palette generator →