#51B355#51B355

#51B355 is a light, vivid green. Relative luminance 0.346; OKLCH L 68.6% C 0.161 H 144.3°. Best body text is #000000 at 7.93:1 contrast (WCAG AA passes).

Color values

HEX	#51B355
RGB	rgb(81, 179, 85)
HSL	hsl(122, 39%, 51%)
HSV	hsv(122, 55%, 70%)
CMYK	cmyk(54.7%, 0%, 52.5%, 29.8%)
CIE-LAB	lab(65.47, -48.17, 39.13)
CIE-LCH	lch(65.47, 62.05, 140.91°)
OKLab	oklab(68.61% -0.1308 0.094)
OKLCH	oklch(68.61% 0.161 144.3)
XYZ	xyz(21.1520, 34.6436, 14.1648)
Luminance	0.3464 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51B355 #B351AF

analogous

#7EB351 #51B355 #51B386

triadic

#51B355 #5551B3 #B35551

tetradic

#51B355 #517EB3 #B351AF #B38651

square

#51B355 #517EB3 #B351AF #B38651

split-complementary

#51B355 #8651B3 #B3517E

monochromatic

#2A602C #3C8A40 #51B355 #7CC67F #A6D8A8

Accessibility & contrast

On white

2.65

#51B355 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.93

#51B355 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B355

7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51B355	#FFFFFF	#000000	##000000
##51B355	1.00	2.65	7.93	7.93
#FFFFFF	2.65	1.00	21.00	21.00
#000000	7.93	21.00	1.00	1.00
##000000	7.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6A44D

Deuteranopia (green-blind)

#A99C5C

Tritanopia (blue-blind)

#41AF9E

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #51b355;
/* rgb */ color: rgb(81, 179, 85);
/* oklch */ color: oklch(68.6% 0.161 144.3);

Tailwind

colors: {
  custom: {
    50: '#8aca87',
    500: '#51b355',
    950: '#000000',
  },
}

SCSS

$custom: #51b355;
$custom-light: #8aca87;
$custom-dark: #000000;

JSON

{
  "hex": "#51b355",
  "rgb": {
    "r": 81,
    "g": 179,
    "b": 85
  },
  "hsl": {
    "h": 122.449,
    "s": 39.2,
    "l": 50.98
  },
  "oklch": {
    "l": 0.68605,
    "c": 0.16104,
    "h": 144.3
  },
  "luminance": 0.34645
}

Semantic roles & 50–950 ramp

primary

#51B355

secondary

#C69AC4

accent

#59CACF

background

#F8FCF8

surface

#F0F8F0

border

#CBD1CB

text

#0C130B

muted

#7D827C

Preview Lab

Preview with #51B355

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

Preview Lab → · Contrast checker → · Palette generator →