#51CD5A#51CD5A

#51CD5A is a light, vivid green. Relative luminance 0.462; OKLCH L 75.4% C 0.191 H 144.6°. Best body text is #000000 at 10.23:1 contrast (WCAG AA passes).

Color values

HEX	#51CD5A
RGB	rgb(81, 205, 90)
HSL	hsl(124, 55%, 56%)
HSV	hsv(124, 60%, 80%)
CMYK	cmyk(60.5%, 0%, 56.1%, 19.6%)
CIE-LAB	lab(73.64, -57.42, 46.54)
CIE-LCH	lch(73.64, 73.91, 140.98°)
OKLab	oklab(75.35% -0.1556 0.1106)
OKLCH	oklch(75.35% 0.191 144.6)
XYZ	xyz(27.0685, 46.1476, 17.1518)
Luminance	0.4615 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CD5A #CD51C4

analogous

#86CD51 #51CD5A #51CD98

triadic

#51CD5A #5A51CD #CD5A51

tetradic

#51CD5A #5186CD #CD51C4 #CD9851

square

#51CD5A #5186CD #CD51C4 #CD9851

split-complementary

#51CD5A #9851CD #CD5186

monochromatic

#257F2B #32AF3B #51CD5A #81DB87 #B0E8B4

Accessibility & contrast

On white

2.05

#51CD5A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.23

#51CD5A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CD5A

10.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CD5A	#FFFFFF	#000000	##000000
##51CD5A	1.00	2.05	10.23	10.23
#FFFFFF	2.05	1.00	21.00	21.00
#000000	10.23	21.00	1.00	1.00
##000000	10.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D1BB4F

Deuteranopia (green-blind)

#C1B163

Tritanopia (blue-blind)

#37C8B3

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #51cd5a;
/* rgb */ color: rgb(81, 205, 90);
/* oklch */ color: oklch(75.4% 0.191 144.6);

Tailwind

colors: {
  custom: {
    50: '#8edd8c',
    500: '#51cd5a',
    950: '#000000',
  },
}

SCSS

$custom: #51cd5a;
$custom-light: #8edd8c;
$custom-dark: #000000;

JSON

{
  "hex": "#51cd5a",
  "rgb": {
    "r": 81,
    "g": 205,
    "b": 90
  },
  "hsl": {
    "h": 124.355,
    "s": 55.357,
    "l": 56.078
  },
  "oklch": {
    "l": 0.75351,
    "c": 0.19092,
    "h": 144.6
  },
  "luminance": 0.4615
}

Semantic roles & 50–950 ramp

primary

#51CD5A

secondary

#D7A3D3

accent

#49D4DF

background

#F9FDF8

surface

#F2FBF0

border

#CCD4CB

text

#0D150C

muted

#7E837D

Preview Lab

Preview with #51CD5A

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

Preview Lab → · Contrast checker → · Palette generator →