#51DD9B#51DD9B

#51DD9B is a light, vivid teal. Relative luminance 0.558; OKLCH L 80.5% C 0.154 H 159.2°. Best body text is #000000 at 12.17:1 contrast (WCAG AA passes).

Color values

HEX	#51DD9B
RGB	rgb(81, 221, 155)
HSL	hsl(152, 67%, 59%)
HSV	hsv(152, 63%, 87%)
CMYK	cmyk(63.3%, 0%, 29.9%, 13.3%)
CIE-LAB	lab(79.51, -52.76, 21.53)
CIE-LCH	lch(79.51, 56.98, 157.80°)
OKLab	oklab(80.5% -0.1439 0.0546)
OKLCH	oklch(80.5% 0.154 159.2)
XYZ	xyz(35.1629, 55.8251, 39.9262)
Luminance	0.5583 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DD9B #DD5193

analogous

#51DD55 #51DD9B #51D9DD

triadic

#51DD9B #9B51DD #DD9B51

tetradic

#51DD9B #5551DD #DD5193 #D9DD51

square

#51DD9B #5551DD #DD5193 #D9DD51

split-complementary

#51DD9B #DD51D9 #DD5551

monochromatic

#1D965D #27C97D #51DD9B #84E7B8 #B7F1D6

Accessibility & contrast

On white

1.73

#51DD9B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.17

#51DD9B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DD9B

12.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DD9B	#FFFFFF	#000000	##000000
##51DD9B	1.00	1.73	12.17	12.17
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.17	21.00	1.00	1.00
##000000	12.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DBCD97

Deuteranopia (green-blind)

#C8C09F

Tritanopia (blue-blind)

#00DCCB

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #51dd9b;
/* rgb */ color: rgb(81, 221, 155);
/* oklch */ color: oklch(80.5% 0.154 159.2);

Tailwind

colors: {
  custom: {
    50: '#90e8b8',
    500: '#51dd9b',
    950: '#000000',
  },
}

SCSS

$custom: #51dd9b;
$custom-light: #90e8b8;
$custom-dark: #000000;

JSON

{
  "hex": "#51dd9b",
  "rgb": {
    "r": 81,
    "g": 221,
    "b": 155
  },
  "hsl": {
    "h": 151.714,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.80503,
    "c": 0.15396,
    "h": 159.2
  },
  "luminance": 0.55829
}

Semantic roles & 50–950 ramp

primary

#51DD9B

secondary

#9B3866

accent

#3E8FEA

background

#FCFEFD

surface

#F5FDF8

border

#CFD5D1

text

#0E1611

muted

#7F8481

Preview Lab

Preview with #51DD9B

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

Preview Lab → · Contrast checker → · Palette generator →