#51D5BB#51D5BB

#51D5BB is a light, vivid teal. Relative luminance 0.529; OKLCH L 79.4% C 0.121 H 177.6°. Best body text is #000000 at 11.59:1 contrast (WCAG AA passes).

Color values

HEX	#51D5BB
RGB	rgb(81, 213, 187)
HSL	hsl(168, 61%, 58%)
HSV	hsv(168, 62%, 84%)
CMYK	cmyk(62%, 0%, 12.2%, 16.5%)
CIE-LAB	lab(77.83, -42.16, 2.19)
CIE-LCH	lch(77.83, 42.22, 177.03°)
OKLab	oklab(79.36% -0.1211 0.0052)
OKLCH	oklch(79.36% 0.121 177.6)
XYZ	xyz(36.1530, 52.9219, 55.3137)
Luminance	0.5293 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D5BB #D5516B

analogous

#51D579 #51D5BB #51ADD5

triadic

#51D5BB #BB51D5 #D5BB51

tetradic

#51D5BB #7951D5 #D5516B #ADD551

square

#51D5BB #7951D5 #D5516B #ADD551

split-complementary

#51D5BB #D551AD #D57951

monochromatic

#218A76 #2DBCA0 #51D5BB #82E1CE #B4EDE2

Accessibility & contrast

On white

1.81

#51D5BB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.59

#51D5BB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D5BB

11.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D5BB	#FFFFFF	#000000	##000000
##51D5BB	1.00	1.81	11.59	11.59
#FFFFFF	1.81	1.00	21.00	21.00
#000000	11.59	21.00	1.00	1.00
##000000	11.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CDC9BA

Deuteranopia (green-blind)

#BABBBD

Tritanopia (blue-blind)

#00D8CD

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #51d5bb;
/* rgb */ color: rgb(81, 213, 187);
/* oklch */ color: oklch(79.4% 0.121 177.6);

Tailwind

colors: {
  custom: {
    50: '#90e2cf',
    500: '#51d5bb',
    950: '#000000',
  },
}

SCSS

$custom: #51d5bb;
$custom-light: #90e2cf;
$custom-dark: #000000;

JSON

{
  "hex": "#51d5bb",
  "rgb": {
    "r": 81,
    "g": 213,
    "b": 187
  },
  "hsl": {
    "h": 168.182,
    "s": 61.111,
    "l": 57.647
  },
  "oklch": {
    "l": 0.79361,
    "c": 0.12124,
    "h": 177.6
  },
  "luminance": 0.52926
}

Semantic roles & 50–950 ramp

primary

#51D5BB

secondary

#903A4B

accent

#4463E4

background

#FCFEFE

surface

#F5FCFB

border

#CFD5D4

text

#0E1513

muted

#7F8483

Preview Lab

Preview with #51D5BB

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

Preview Lab → · Contrast checker → · Palette generator →