#51D2E0#51D2E0

#51D2E0 is a light, moderate teal. Relative luminance 0.532; OKLCH L 79.9% C 0.113 H 205.3°. Best body text is #000000 at 11.64:1 contrast (WCAG AA passes).

Color values

HEX	#51D2E0
RGB	rgb(81, 210, 224)
HSL	hsl(186, 70%, 60%)
HSV	hsv(186, 64%, 88%)
CMYK	cmyk(63.8%, 6.3%, 0%, 12.2%)
CIE-LAB	lab(78.00, -30.85, -17.39)
CIE-LCH	lch(78.00, 35.41, 209.42°)
OKLab	oklab(79.85% -0.1021 -0.0482)
OKLCH	oklch(79.85% 0.113 205.3)
XYZ	xyz(39.8887, 53.2200, 78.6768)
Luminance	0.5322 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D2E0 #E05F51

analogous

#51E0A6 #51D2E0 #518BE0

triadic

#51D2E0 #E051D2 #D2E051

tetradic

#51D2E0 #A651E0 #E05F51 #8BE051

square

#51D2E0 #A651E0 #E05F51 #8BE051

split-complementary

#51D2E0 #E0518B #E0A651

monochromatic

#1C8F9B #25BECF #51D2E0 #85DFE9 #B9EDF3

Accessibility & contrast

On white

1.80

#51D2E0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.64

#51D2E0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D2E0

11.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D2E0	#FFFFFF	#000000	##000000
##51D2E0	1.00	1.80	11.64	11.64
#FFFFFF	1.80	1.00	21.00	21.00
#000000	11.64	21.00	1.00	1.00
##000000	11.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C2CAE1

Deuteranopia (green-blind)

#ACBAE0

Tritanopia (blue-blind)

#00DAD6

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #51d2e0;
/* rgb */ color: rgb(81, 210, 224);
/* oklch */ color: oklch(79.9% 0.113 205.3);

Tailwind

colors: {
  custom: {
    50: '#92e0e9',
    500: '#51d2e0',
    950: '#000000',
  },
}

SCSS

$custom: #51d2e0;
$custom-light: #92e0e9;
$custom-dark: #000000;

JSON

{
  "hex": "#51d2e0",
  "rgb": {
    "r": 81,
    "g": 210,
    "b": 224
  },
  "hsl": {
    "h": 185.874,
    "s": 69.756,
    "l": 59.804
  },
  "oklch": {
    "l": 0.79854,
    "c": 0.11296,
    "h": 205.3
  },
  "luminance": 0.53224
}

Semantic roles & 50–950 ramp

primary

#51D2E0

secondary

#9F4137

accent

#4D3BED

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1516

muted

#7F8484

Preview Lab

Preview with #51D2E0

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

Preview Lab → · Contrast checker → · Palette generator →