#51C56B#51C56B

#51C56B is a light, vivid green. Relative luminance 0.427; OKLCH L 73.6% C 0.165 H 148.3°. Best body text is #000000 at 9.55:1 contrast (WCAG AA passes).

Color values

HEX	#51C56B
RGB	rgb(81, 197, 107)
HSL	hsl(133, 50%, 55%)
HSV	hsv(133, 59%, 77%)
CMYK	cmyk(58.9%, 0%, 45.7%, 22.7%)
CIE-LAB	lab(71.38, -52.01, 35.49)
CIE-LCH	lch(71.38, 62.97, 145.69°)
OKLab	oklab(73.56% -0.1406 0.0869)
OKLCH	oklch(73.56% 0.165 148.3)
XYZ	xyz(26.0116, 42.7409, 20.7861)
Luminance	0.4274 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C56B #C551AB

analogous

#71C551 #51C56B #51C5A5

triadic

#51C56B #6B51C5 #C56B51

tetradic

#51C56B #5171C5 #C551AB #C5A551

square

#51C56B #5171C5 #C551AB #C5A551

split-complementary

#51C56B #A551C5 #C55171

monochromatic

#277538 #36A34E #51C56B #7FD492 #ADE4B9

Accessibility & contrast

On white

2.20

#51C56B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.55

#51C56B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C56B

9.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C56B	#FFFFFF	#000000	##000000
##51C56B	1.00	2.20	9.55	9.55
#FFFFFF	2.20	1.00	21.00	21.00
#000000	9.55	21.00	1.00	1.00
##000000	9.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C7B564

Deuteranopia (green-blind)

#B8AB71

Tritanopia (blue-blind)

#34C1AF

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #51c56b;
/* rgb */ color: rgb(81, 197, 107);
/* oklch */ color: oklch(73.6% 0.165 148.3);

Tailwind

colors: {
  custom: {
    50: '#8cd797',
    500: '#51c56b',
    950: '#000000',
  },
}

SCSS

$custom: #51c56b;
$custom-light: #8cd797;
$custom-dark: #000000;

JSON

{
  "hex": "#51c56b",
  "rgb": {
    "r": 81,
    "g": 197,
    "b": 107
  },
  "hsl": {
    "h": 133.448,
    "s": 50,
    "l": 54.51
  },
  "oklch": {
    "l": 0.73558,
    "c": 0.16531,
    "h": 148.3
  },
  "luminance": 0.42743
}

Semantic roles & 50–950 ramp

primary

#51C56B

secondary

#D1A0C6

accent

#4EBADA

background

#F9FDF9

surface

#F1FAF2

border

#CBD3CC

text

#0D140D

muted

#7E837E

Preview Lab

Preview with #51C56B

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

Preview Lab → · Contrast checker → · Palette generator →