#51DD8A#51DD8A

#51DD8A is a light, vivid green. Relative luminance 0.553; OKLCH L 80.2% C 0.169 H 153.8°. Best body text is #000000 at 12.06:1 contrast (WCAG AA passes).

Color values

HEX	#51DD8A
RGB	rgb(81, 221, 138)
HSL	hsl(144, 67%, 59%)
HSV	hsv(144, 63%, 87%)
CMYK	cmyk(63.3%, 0%, 37.6%, 13.3%)
CIE-LAB	lab(79.21, -56.03, 29.91)
CIE-LCH	lch(79.21, 63.51, 151.91°)
OKLab	oklab(80.15% -0.1516 0.0747)
OKLCH	oklch(80.15% 0.169 153.8)
XYZ	xyz(33.8344, 55.2937, 32.9295)
Luminance	0.5530 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DD8A #DD51A4

analogous

#5EDD51 #51DD8A #51DDD0

triadic

#51DD8A #8A51DD #DD8A51

tetradic

#51DD8A #515EDD #DD51A4 #DDD051

square

#51DD8A #515EDD #DD51A4 #DDD051

split-complementary

#51DD8A #D051DD #DD515E

monochromatic

#1D964F #27C969 #51DD8A #84E7AC #B7F1CF

Accessibility & contrast

On white

1.74

#51DD8A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.06

#51DD8A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DD8A

12.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DD8A	#FFFFFF	#000000	##000000
##51DD8A	1.00	1.74	12.06	12.06
#FFFFFF	1.74	1.00	21.00	21.00
#000000	12.06	21.00	1.00	1.00
##000000	12.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDCC84

Deuteranopia (green-blind)

#CBBF8F

Tritanopia (blue-blind)

#08DAC8

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #51dd8a;
/* rgb */ color: rgb(81, 221, 138);
/* oklch */ color: oklch(80.2% 0.169 153.8);

Tailwind

colors: {
  custom: {
    50: '#90e8ad',
    500: '#51dd8a',
    950: '#000000',
  },
}

SCSS

$custom: #51dd8a;
$custom-light: #90e8ad;
$custom-dark: #000000;

JSON

{
  "hex": "#51dd8a",
  "rgb": {
    "r": 81,
    "g": 221,
    "b": 138
  },
  "hsl": {
    "h": 144.429,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.80154,
    "c": 0.16902,
    "h": 153.8
  },
  "luminance": 0.55297
}

Semantic roles & 50–950 ramp

primary

#51DD8A

secondary

#9B3872

accent

#3EA4EA

background

#FCFEFD

surface

#F5FDF7

border

#CFD5D0

text

#0E1610

muted

#7F8481

Preview Lab

Preview with #51DD8A

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

Preview Lab → · Contrast checker → · Palette generator →