#51D2CC#51D2CC

#51D2CC is a light, moderate teal. Relative luminance 0.522; OKLCH L 79.2% C 0.113 H 190.8°. Best body text is #000000 at 11.44:1 contrast (WCAG AA passes).

Color values

HEX	#51D2CC
RGB	rgb(81, 210, 204)
HSL	hsl(177, 59%, 57%)
HSV	hsv(177, 61%, 82%)
CMYK	cmyk(61.4%, 0%, 2.9%, 17.6%)
CIE-LAB	lab(77.40, -36.40, -7.56)
CIE-LCH	lch(77.40, 37.18, 191.73°)
OKLab	oklab(79.16% -0.1105 -0.0211)
OKLCH	oklch(79.16% 0.113 190.8)
XYZ	xyz(37.3342, 52.1982, 65.2227)
Luminance	0.5220 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D2CC #D25157

analogous

#51D28B #51D2CC #5198D2

triadic

#51D2CC #CC51D2 #D2CC51

tetradic

#51D2CC #8B51D2 #D25157 #98D251

square

#51D2CC #8B51D2 #D25157 #98D251

split-complementary

#51D2CC #D25198 #D28B51

monochromatic

#238681 #2FB7B0 #51D2CC #82DFDA #B2EBE9

Accessibility & contrast

On white

1.84

#51D2CC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.44

#51D2CC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D2CC

11.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D2CC	#FFFFFF	#000000	##000000
##51D2CC	1.00	1.84	11.44	11.44
#FFFFFF	1.84	1.00	21.00	21.00
#000000	11.44	21.00	1.00	1.00
##000000	11.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6C8CC

Deuteranopia (green-blind)

#B2B9CD

Tritanopia (blue-blind)

#00D7D0

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #51d2cc;
/* rgb */ color: rgb(81, 210, 204);
/* oklch */ color: oklch(79.2% 0.113 190.8);

Tailwind

colors: {
  custom: {
    50: '#90e0db',
    500: '#51d2cc',
    950: '#000000',
  },
}

SCSS

$custom: #51d2cc;
$custom-light: #90e0db;
$custom-dark: #000000;

JSON

{
  "hex": "#51d2cc",
  "rgb": {
    "r": 81,
    "g": 210,
    "b": 204
  },
  "hsl": {
    "h": 177.209,
    "s": 58.904,
    "l": 57.059
  },
  "oklch": {
    "l": 0.79164,
    "c": 0.11252,
    "h": 190.8
  },
  "luminance": 0.52202
}

Semantic roles & 50–950 ramp

primary

#51D2CC

secondary

#8D3B3E

accent

#464DE2

background

#FCFEFE

surface

#F5FCFB

border

#CFD5D4

text

#0E1515

muted

#7F8484

Preview Lab

Preview with #51D2CC

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

Preview Lab → · Contrast checker → · Palette generator →