#51CD59#51CD59

#51CD59 is a light, vivid green. Relative luminance 0.461; OKLCH L 75.3% C 0.192 H 144.4°. Best body text is #000000 at 10.23:1 contrast (WCAG AA passes).

Color values

HEX	#51CD59
RGB	rgb(81, 205, 89)
HSL	hsl(124, 55%, 56%)
HSV	hsv(124, 60%, 80%)
CMYK	cmyk(60.5%, 0%, 56.6%, 19.6%)
CIE-LAB	lab(73.63, -57.55, 46.99)
CIE-LCH	lch(73.63, 74.30, 140.77°)
OKLab	oklab(75.34% -0.156 0.1115)
OKLCH	oklch(75.34% 0.192 144.4)
XYZ	xyz(27.0262, 46.1307, 16.9291)
Luminance	0.4613 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CD59 #CD51C5

analogous

#87CD51 #51CD59 #51CD97

triadic

#51CD59 #5951CD #CD5951

tetradic

#51CD59 #5187CD #CD51C5 #CD9751

square

#51CD59 #5187CD #CD51C5 #CD9751

split-complementary

#51CD59 #9751CD #CD5187

monochromatic

#257F2A #32AF3A #51CD59 #81DB86 #B0E8B4

Accessibility & contrast

On white

2.05

#51CD59 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.23

#51CD59 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CD59

10.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CD59	#FFFFFF	#000000	##000000
##51CD59	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)

#D1BB4E

Deuteranopia (green-blind)

#C1B162

Tritanopia (blue-blind)

#37C8B3

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #51cd59;
/* rgb */ color: rgb(81, 205, 89);
/* oklch */ color: oklch(75.3% 0.192 144.4);

Tailwind

colors: {
  custom: {
    50: '#8edd8b',
    500: '#51cd59',
    950: '#000000',
  },
}

SCSS

$custom: #51cd59;
$custom-light: #8edd8b;
$custom-dark: #000000;

JSON

{
  "hex": "#51cd59",
  "rgb": {
    "r": 81,
    "g": 205,
    "b": 89
  },
  "hsl": {
    "h": 123.871,
    "s": 55.357,
    "l": 56.078
  },
  "oklch": {
    "l": 0.75339,
    "c": 0.19175,
    "h": 144.4
  },
  "luminance": 0.46133
}

Semantic roles & 50–950 ramp

primary

#51CD59

secondary

#D7A3D3

accent

#49D5DF

background

#F9FDF8

surface

#F2FBF0

border

#CCD4CB

text

#0D150C

muted

#7E837D

Preview Lab

Preview with #51CD59

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

Preview Lab → · Contrast checker → · Palette generator →