#51D559#51D559

#51D559 is a light, highly saturated green. Relative luminance 0.501; OKLCH L 77.4% C 0.202 H 144.3°. Best body text is #000000 at 11.01:1 contrast (WCAG AA passes).

Color values

HEX	#51D559
RGB	rgb(81, 213, 89)
HSL	hsl(124, 61%, 58%)
HSV	hsv(124, 62%, 84%)
CMYK	cmyk(62%, 0%, 58.2%, 16.5%)
CIE-LAB	lab(76.10, -60.43, 49.89)
CIE-LCH	lch(76.10, 78.37, 140.46°)
OKLab	oklab(77.38% -0.1638 0.1178)
OKLCH	oklch(77.38% 0.202 144.3)
XYZ	xyz(28.9890, 50.0563, 17.5834)
Luminance	0.5006 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D559 #D551CD

analogous

#8BD551 #51D559 #51D59B

triadic

#51D559 #5951D5 #D55951

tetradic

#51D559 #518BD5 #D551CD #D59B51

square

#51D559 #518BD5 #D551CD #D59B51

split-complementary

#51D559 #9B51D5 #D5518B

monochromatic

#218A28 #2DBC36 #51D559 #82E188 #B4EDB7

Accessibility & contrast

On white

1.91

#51D559 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.01

#51D559 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D559

11.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D559	#FFFFFF	#000000	##000000
##51D559	1.00	1.91	11.01	11.01
#FFFFFF	1.91	1.00	21.00	21.00
#000000	11.01	21.00	1.00	1.00
##000000	11.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9C24C

Deuteranopia (green-blind)

#C8B763

Tritanopia (blue-blind)

#34D0BA

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #51d559;
/* rgb */ color: rgb(81, 213, 89);
/* oklch */ color: oklch(77.4% 0.202 144.3);

Tailwind

colors: {
  custom: {
    50: '#90e38c',
    500: '#51d559',
    950: '#000000',
  },
}

SCSS

$custom: #51d559;
$custom-light: #90e38c;
$custom-dark: #000000;

JSON

{
  "hex": "#51d559",
  "rgb": {
    "r": 81,
    "g": 213,
    "b": 89
  },
  "hsl": {
    "h": 123.636,
    "s": 61.111,
    "l": 57.647
  },
  "oklch": {
    "l": 0.7738,
    "c": 0.20177,
    "h": 144.3
  },
  "luminance": 0.50059
}

Semantic roles & 50–950 ramp

primary

#51D559

secondary

#903A8B

accent

#44DAE4

background

#FCFEFC

surface

#F5FCF4

border

#CFD5CE

text

#0E160C

muted

#7F847F

Preview Lab

Preview with #51D559

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

Preview Lab → · Contrast checker → · Palette generator →