#51C552#51C552

#51C552 is a light, vivid green. Relative luminance 0.423; OKLCH L 73.2% C 0.187 H 143.5°. Best body text is #000000 at 9.46:1 contrast (WCAG AA passes).

Color values

HEX	#51C552
RGB	rgb(81, 197, 82)
HSL	hsl(121, 50%, 55%)
HSV	hsv(121, 59%, 77%)
CMYK	cmyk(58.9%, 0%, 58.4%, 22.7%)
CIE-LAB	lab(71.07, -55.45, 47.21)
CIE-LCH	lch(71.07, 72.83, 139.59°)
OKLab	oklab(73.2% -0.1506 0.1114)
OKLCH	oklch(73.2% 0.187 143.5)
XYZ	xyz(24.8812, 42.2888, 14.8324)
Luminance	0.4229 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C552 #C551C4

analogous

#8AC551 #51C552 #51C58C

triadic

#51C552 #5251C5 #C55251

tetradic

#51C552 #518AC5 #C551C4 #C58C51

square

#51C552 #518AC5 #C551C4 #C58C51

split-complementary

#51C552 #8C51C5 #C5518A

monochromatic

#277528 #36A337 #51C552 #7FD480 #ADE4AD

Accessibility & contrast

On white

2.22

#51C552 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.46

#51C552 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C552

9.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C552	#FFFFFF	#000000	##000000
##51C552	1.00	2.22	9.46	9.46
#FFFFFF	2.22	1.00	21.00	21.00
#000000	9.46	21.00	1.00	1.00
##000000	9.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C9B446

Deuteranopia (green-blind)

#BAAA5B

Tritanopia (blue-blind)

#3CC0AC

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #51c552;
/* rgb */ color: rgb(81, 197, 82);
/* oklch */ color: oklch(73.2% 0.187 143.5);

Tailwind

colors: {
  custom: {
    50: '#8dd786',
    500: '#51c552',
    950: '#000000',
  },
}

SCSS

$custom: #51c552;
$custom-light: #8dd786;
$custom-dark: #000000;

JSON

{
  "hex": "#51c552",
  "rgb": {
    "r": 81,
    "g": 197,
    "b": 82
  },
  "hsl": {
    "h": 120.517,
    "s": 50,
    "l": 54.51
  },
  "oklch": {
    "l": 0.73203,
    "c": 0.18736,
    "h": 143.5
  },
  "luminance": 0.42291
}

Semantic roles & 50–950 ramp

primary

#51C552

secondary

#D1A0D1

accent

#4ED8DA

background

#F9FDF8

surface

#F1FAF0

border

#CBD3CB

text

#0D140B

muted

#7E837C

Preview Lab

Preview with #51C552

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

Preview Lab → · Contrast checker → · Palette generator →