#51DDD2#51DDD2

#51DDD2 is a light, vivid teal. Relative luminance 0.581; OKLCH L 82.0% C 0.120 H 187.7°. Best body text is #000000 at 12.62:1 contrast (WCAG AA passes).

Color values

HEX	#51DDD2
RGB	rgb(81, 221, 210)
HSL	hsl(175, 67%, 59%)
HSV	hsv(175, 63%, 87%)
CMYK	cmyk(63.3%, 0%, 5%, 13.3%)
CIE-LAB	lab(80.80, -39.83, -5.74)
CIE-LCH	lch(80.80, 40.24, 188.19°)
OKLab	oklab(81.98% -0.1192 -0.0161)
OKLCH	oklch(81.98% 0.12 187.7)
XYZ	xyz(40.8774, 58.1109, 70.0225)
Luminance	0.5812 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DDD2 #DD515C

analogous

#51DD8C #51DDD2 #51A2DD

triadic

#51DDD2 #D251DD #DDD251

tetradic

#51DDD2 #8C51DD #DD515C #A2DD51

square

#51DDD2 #8C51DD #DD515C #A2DD51

split-complementary

#51DDD2 #DD51A2 #DD8C51

monochromatic

#1D968D #27C9BD #51DDD2 #84E7DF #B7F1EC

Accessibility & contrast

On white

1.66

#51DDD2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.62

#51DDD2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DDD2

12.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DDD2	#FFFFFF	#000000	##000000
##51DDD2	1.00	1.66	12.62	12.62
#FFFFFF	1.66	1.00	21.00	21.00
#000000	12.62	21.00	1.00	1.00
##000000	12.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D2D2D2

Deuteranopia (green-blind)

#BCC2D3

Tritanopia (blue-blind)

#00E2D9

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #51ddd2;
/* rgb */ color: rgb(81, 221, 210);
/* oklch */ color: oklch(82.0% 0.120 187.7);

Tailwind

colors: {
  custom: {
    50: '#92e8df',
    500: '#51ddd2',
    950: '#000000',
  },
}

SCSS

$custom: #51ddd2;
$custom-light: #92e8df;
$custom-dark: #000000;

JSON

{
  "hex": "#51ddd2",
  "rgb": {
    "r": 81,
    "g": 221,
    "b": 210
  },
  "hsl": {
    "h": 175.286,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.81978,
    "c": 0.12026,
    "h": 187.7
  },
  "luminance": 0.58115
}

Semantic roles & 50–950 ramp

primary

#51DDD2

secondary

#9B383F

accent

#3E4BEA

background

#FCFEFE

surface

#F5FDFC

border

#CFD5D5

text

#0E1615

muted

#7F8484

Preview Lab

Preview with #51DDD2

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

Preview Lab → · Contrast checker → · Palette generator →