#51DA8A#51DA8A

#51DA8A is a light, vivid green. Relative luminance 0.537; OKLCH L 79.4% C 0.165 H 154.2°. Best body text is #000000 at 11.75:1 contrast (WCAG AA passes).

Color values

HEX	#51DA8A
RGB	rgb(81, 218, 138)
HSL	hsl(145, 65%, 59%)
HSV	hsv(145, 63%, 85%)
CMYK	cmyk(62.8%, 0%, 36.7%, 14.5%)
CIE-LAB	lab(78.30, -54.87, 28.70)
CIE-LCH	lch(78.30, 61.92, 152.39°)
OKLab	oklab(79.41% -0.1486 0.0718)
OKLCH	oklch(79.41% 0.165 154.2)
XYZ	xyz(33.0494, 53.7237, 32.6678)
Luminance	0.5373 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DA8A #DA51A1

analogous

#5CDA51 #51DA8A #51DACF

triadic

#51DA8A #8A51DA #DA8A51

tetradic

#51DA8A #515CDA #DA51A1 #DACF51

square

#51DA8A #515CDA #DA51A1 #DACF51

split-complementary

#51DA8A #CF51DA #DA515C

monochromatic

#1F924F #2AC46A #51DA8A #83E5AC #B6EFCE

Accessibility & contrast

On white

1.79

#51DA8A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.75

#51DA8A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DA8A

11.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DA8A	#FFFFFF	#000000	##000000
##51DA8A	1.00	1.79	11.75	11.75
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.75	21.00	1.00	1.00
##000000	11.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DAC985

Deuteranopia (green-blind)

#C8BD8F

Tritanopia (blue-blind)

#0DD8C6

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #51da8a;
/* rgb */ color: rgb(81, 218, 138);
/* oklch */ color: oklch(79.4% 0.165 154.2);

Tailwind

colors: {
  custom: {
    50: '#8fe6ac',
    500: '#51da8a',
    950: '#000000',
  },
}

SCSS

$custom: #51da8a;
$custom-light: #8fe6ac;
$custom-dark: #000000;

JSON

{
  "hex": "#51da8a",
  "rgb": {
    "r": 81,
    "g": 218,
    "b": 138
  },
  "hsl": {
    "h": 144.964,
    "s": 64.929,
    "l": 58.627
  },
  "oklch": {
    "l": 0.79406,
    "c": 0.16503,
    "h": 154.2
  },
  "luminance": 0.53727
}

Semantic roles & 50–950 ramp

primary

#51DA8A

secondary

#973970

accent

#40A2E8

background

#FCFEFD

surface

#F5FCF7

border

#CFD5D0

text

#0E1610

muted

#7F8481

Preview Lab

Preview with #51DA8A

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

Preview Lab → · Contrast checker → · Palette generator →