#51C7DB#51C7DB

#51C7DB is a light, moderate teal. Relative luminance 0.477; OKLCH L 77.1% C 0.108 H 210.6°. Best body text is #000000 at 10.54:1 contrast (WCAG AA passes).

Color values

HEX	#51C7DB
RGB	rgb(81, 199, 219)
HSL	hsl(189, 66%, 59%)
HSV	hsv(189, 63%, 86%)
CMYK	cmyk(63%, 9.1%, 0%, 14.1%)
CIE-LAB	lab(74.64, -26.93, -19.79)
CIE-LCH	lch(74.64, 33.42, 216.31°)
OKLab	oklab(77.09% -0.093 -0.0549)
OKLCH	oklch(77.09% 0.108 210.6)
XYZ	xyz(36.5976, 47.7068, 74.2837)
Luminance	0.4771 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C7DB #DB6551

analogous

#51DBAA #51C7DB #5182DB

triadic

#51C7DB #DB51C7 #C7DB51

tetradic

#51C7DB #AA51DB #DB6551 #82DB51

square

#51C7DB #AA51DB #DB6551 #82DB51

split-complementary

#51C7DB #DB5182 #DBAA51

monochromatic

#1E8293 #29AFC6 #51C7DB #84D7E5 #B6E8F0

Accessibility & contrast

On white

1.99

#51C7DB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.54

#51C7DB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C7DB

10.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C7DB	#FFFFFF	#000000	##000000
##51C7DB	1.00	1.99	10.54	10.54
#FFFFFF	1.99	1.00	21.00	21.00
#000000	10.54	21.00	1.00	1.00
##000000	10.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6C0DC

Deuteranopia (green-blind)

#A2B1DB

Tritanopia (blue-blind)

#00D0CD

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #51c7db;
/* rgb */ color: rgb(81, 199, 219);
/* oklch */ color: oklch(77.1% 0.108 210.6);

Tailwind

colors: {
  custom: {
    50: '#90d8e6',
    500: '#51c7db',
    950: '#000000',
  },
}

SCSS

$custom: #51c7db;
$custom-light: #90d8e6;
$custom-dark: #000000;

JSON

{
  "hex": "#51c7db",
  "rgb": {
    "r": 81,
    "g": 199,
    "b": 219
  },
  "hsl": {
    "h": 188.696,
    "s": 65.714,
    "l": 58.824
  },
  "oklch": {
    "l": 0.77089,
    "c": 0.10797,
    "h": 210.6
  },
  "luminance": 0.47711
}

Semantic roles & 50–950 ramp

primary

#51C7DB

secondary

#DFB1A9

accent

#583FE9

background

#F9FDFE

surface

#F2FAFC

border

#CCD3D5

text

#0E1415

muted

#7E8384

Preview Lab

Preview with #51C7DB

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

Preview Lab → · Contrast checker → · Palette generator →