#51D899#51D899

#51D899 is a light, vivid teal. Relative luminance 0.532; OKLCH L 79.2% C 0.149 H 159.6°. Best body text is #000000 at 11.63:1 contrast (WCAG AA passes).

Color values

HEX	#51D899
RGB	rgb(81, 216, 153)
HSL	hsl(152, 63%, 58%)
HSV	hsv(152, 63%, 85%)
CMYK	cmyk(62.5%, 0%, 29.2%, 15.3%)
CIE-LAB	lab(77.97, -51.16, 20.45)
CIE-LCH	lch(77.97, 55.09, 158.22°)
OKLab	oklab(79.22% -0.1398 0.0519)
OKLCH	oklch(79.22% 0.149 159.6)
XYZ	xyz(33.6958, 53.1575, 38.6155)
Luminance	0.5316 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D899 #D85190

analogous

#51D855 #51D899 #51D3D8

triadic

#51D899 #9951D8 #D89951

tetradic

#51D899 #5551D8 #D85190 #D3D851

square

#51D899 #5551D8 #D85190 #D3D851

split-complementary

#51D899 #D851D3 #D85551

monochromatic

#208F5B #2BC17B #51D899 #83E3B6 #B5EED4

Accessibility & contrast

On white

1.81

#51D899 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.63

#51D899 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D899

11.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D899	#FFFFFF	#000000	##000000
##51D899	1.00	1.81	11.63	11.63
#FFFFFF	1.81	1.00	21.00	21.00
#000000	11.63	21.00	1.00	1.00
##000000	11.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6C995

Deuteranopia (green-blind)

#C3BC9D

Tritanopia (blue-blind)

#00D7C7

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #51d899;
/* rgb */ color: rgb(81, 216, 153);
/* oklch */ color: oklch(79.2% 0.149 159.6);

Tailwind

colors: {
  custom: {
    50: '#8fe5b7',
    500: '#51d899',
    950: '#000000',
  },
}

SCSS

$custom: #51d899;
$custom-light: #8fe5b7;
$custom-dark: #000000;

JSON

{
  "hex": "#51d899",
  "rgb": {
    "r": 81,
    "g": 216,
    "b": 153
  },
  "hsl": {
    "h": 152,
    "s": 63.38,
    "l": 58.235
  },
  "oklch": {
    "l": 0.79223,
    "c": 0.14909,
    "h": 159.6
  },
  "luminance": 0.53161
}

Semantic roles & 50–950 ramp

primary

#51D899

secondary

#943964

accent

#418EE6

background

#FCFEFD

surface

#F5FCF8

border

#CFD5D1

text

#0E1611

muted

#7F8481

Preview Lab

Preview with #51D899

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

Preview Lab → · Contrast checker → · Palette generator →