#51C575#51C575

#51C575 is a light, vivid green. Relative luminance 0.430; OKLCH L 73.7% C 0.156 H 150.9°. Best body text is #000000 at 9.59:1 contrast (WCAG AA passes).

Color values

HEX	#51C575
RGB	rgb(81, 197, 117)
HSL	hsl(139, 50%, 55%)
HSV	hsv(139, 59%, 77%)
CMYK	cmyk(58.9%, 0%, 40.6%, 22.7%)
CIE-LAB	lab(71.53, -50.36, 30.57)
CIE-LCH	lch(71.53, 58.92, 148.74°)
OKLab	oklab(73.73% -0.1363 0.0758)
OKLCH	oklch(73.73% 0.156 150.9)
XYZ	xyz(26.5685, 42.9637, 23.7189)
Luminance	0.4297 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C575 #C551A1

analogous

#67C551 #51C575 #51C5AF

triadic

#51C575 #7551C5 #C57551

tetradic

#51C575 #5167C5 #C551A1 #C5AF51

square

#51C575 #5167C5 #C551A1 #C5AF51

split-complementary

#51C575 #AF51C5 #C55167

monochromatic

#27753F #36A358 #51C575 #7FD499 #ADE4BE

Accessibility & contrast

On white

2.19

#51C575 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.59

#51C575 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C575

9.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C575	#FFFFFF	#000000	##000000
##51C575	1.00	2.19	9.59	9.59
#FFFFFF	2.19	1.00	21.00	21.00
#000000	9.59	21.00	1.00	1.00
##000000	9.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6B66F

Deuteranopia (green-blind)

#B6AB7A

Tritanopia (blue-blind)

#2FC2B1

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #51c575;
/* rgb */ color: rgb(81, 197, 117);
/* oklch */ color: oklch(73.7% 0.156 150.9);

Tailwind

colors: {
  custom: {
    50: '#8cd79d',
    500: '#51c575',
    950: '#000000',
  },
}

SCSS

$custom: #51c575;
$custom-light: #8cd79d;
$custom-dark: #000000;

JSON

{
  "hex": "#51c575",
  "rgb": {
    "r": 81,
    "g": 197,
    "b": 117
  },
  "hsl": {
    "h": 138.621,
    "s": 50,
    "l": 54.51
  },
  "oklch": {
    "l": 0.73732,
    "c": 0.15595,
    "h": 150.9
  },
  "luminance": 0.42966
}

Semantic roles & 50–950 ramp

primary

#51C575

secondary

#D1A0C2

accent

#4EAEDA

background

#F9FDF9

surface

#F1FAF2

border

#CBD3CC

text

#0D140E

muted

#7E837E

Preview Lab

Preview with #51C575

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

Preview Lab → · Contrast checker → · Palette generator →