#51C554#51C554

#51C554 is a light, vivid green. Relative luminance 0.423; OKLCH L 73.2% C 0.186 H 143.8°. Best body text is #000000 at 9.46:1 contrast (WCAG AA passes).

Color values

HEX	#51C554
RGB	rgb(81, 197, 84)
HSL	hsl(122, 50%, 55%)
HSV	hsv(122, 59%, 77%)
CMYK	cmyk(58.9%, 0%, 57.4%, 22.7%)
CIE-LAB	lab(71.09, -55.21, 46.32)
CIE-LCH	lch(71.09, 72.06, 140.01°)
OKLab	oklab(73.23% -0.1499 0.1097)
OKLCH	oklch(73.23% 0.186 143.8)
XYZ	xyz(24.9584, 42.3196, 15.2390)
Luminance	0.4232 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C554 #C551C2

analogous

#88C551 #51C554 #51C58E

triadic

#51C554 #5451C5 #C55451

tetradic

#51C554 #5188C5 #C551C2 #C58E51

square

#51C554 #5188C5 #C551C2 #C58E51

split-complementary

#51C554 #8E51C5 #C55188

monochromatic

#277529 #36A339 #51C554 #7FD481 #ADE4AE

Accessibility & contrast

On white

2.22

#51C554 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.46

#51C554 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C554

9.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C554	#FFFFFF	#000000	##000000
##51C554	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)

#C9B449

Deuteranopia (green-blind)

#BAAA5D

Tritanopia (blue-blind)

#3CC0AC

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #51c554;
/* rgb */ color: rgb(81, 197, 84);
/* oklch */ color: oklch(73.2% 0.186 143.8);

Tailwind

colors: {
  custom: {
    50: '#8dd787',
    500: '#51c554',
    950: '#000000',
  },
}

SCSS

$custom: #51c554;
$custom-light: #8dd787;
$custom-dark: #000000;

JSON

{
  "hex": "#51c554",
  "rgb": {
    "r": 81,
    "g": 197,
    "b": 84
  },
  "hsl": {
    "h": 121.552,
    "s": 50,
    "l": 54.51
  },
  "oklch": {
    "l": 0.73227,
    "c": 0.1857,
    "h": 143.8
  },
  "luminance": 0.42322
}

Semantic roles & 50–950 ramp

primary

#51C554

secondary

#D1A0D0

accent

#4ED6DA

background

#F9FDF8

surface

#F1FAF0

border

#CBD3CB

text

#0D140B

muted

#7E837C

Preview Lab

Preview with #51C554

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

Preview Lab → · Contrast checker → · Palette generator →