#51DDA9#51DDA9

#51DDA9 is a light, vivid teal. Relative luminance 0.563; OKLCH L 80.8% C 0.143 H 164.8°. Best body text is #000000 at 12.27:1 contrast (WCAG AA passes).

Color values

HEX	#51DDA9
RGB	rgb(81, 221, 169)
HSL	hsl(158, 67%, 59%)
HSV	hsv(158, 63%, 87%)
CMYK	cmyk(63.3%, 0%, 23.5%, 13.3%)
CIE-LAB	lab(79.80, -49.80, 14.58)
CIE-LCH	lch(79.80, 51.89, 163.68°)
OKLab	oklab(80.83% -0.1375 0.0373)
OKLCH	oklch(80.83% 0.143 164.8)
XYZ	xyz(36.4075, 56.3230, 46.4811)
Luminance	0.5633 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DDA9 #DD5185

analogous

#51DD63 #51DDA9 #51CBDD

triadic

#51DDA9 #A951DD #DDA951

tetradic

#51DDA9 #6351DD #DD5185 #CBDD51

square

#51DDA9 #6351DD #DD5185 #CBDD51

split-complementary

#51DDA9 #DD51CB #DD6351

monochromatic

#1D9669 #27C98D #51DDA9 #84E7C2 #B7F1DC

Accessibility & contrast

On white

1.71

#51DDA9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.27

#51DDA9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DDA9

12.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DDA9	#FFFFFF	#000000	##000000
##51DDA9	1.00	1.71	12.27	12.27
#FFFFFF	1.71	1.00	21.00	21.00
#000000	12.27	21.00	1.00	1.00
##000000	12.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9CEA6

Deuteranopia (green-blind)

#C6C0AC

Tritanopia (blue-blind)

#00DDCF

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #51dda9;
/* rgb */ color: rgb(81, 221, 169);
/* oklch */ color: oklch(80.8% 0.143 164.8);

Tailwind

colors: {
  custom: {
    50: '#90e8c2',
    500: '#51dda9',
    950: '#000000',
  },
}

SCSS

$custom: #51dda9;
$custom-light: #90e8c2;
$custom-dark: #000000;

JSON

{
  "hex": "#51dda9",
  "rgb": {
    "r": 81,
    "g": 221,
    "b": 169
  },
  "hsl": {
    "h": 157.714,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.80829,
    "c": 0.14251,
    "h": 164.8
  },
  "luminance": 0.56327
}

Semantic roles & 50–950 ramp

primary

#51DDA9

secondary

#9B385C

accent

#3E7EEA

background

#FCFEFD

surface

#F5FDF9

border

#CFD5D2

text

#0E1612

muted

#7F8482

Preview Lab

Preview with #51DDA9

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

Preview Lab → · Contrast checker → · Palette generator →