#51EFDC#51EFDC

#51EFDC is a very light, vivid teal. Relative luminance 0.686; OKLCH L 86.6% C 0.133 H 183.7°. Best body text is #000000 at 14.73:1 contrast (WCAG AA passes).

Color values

HEX	#51EFDC
RGB	rgb(81, 239, 220)
HSL	hsl(173, 83%, 63%)
HSV	hsv(173, 66%, 94%)
CMYK	cmyk(66.1%, 0%, 7.9%, 6.3%)
CIE-LAB	lab(86.33, -45.20, -2.88)
CIE-LCH	lch(86.33, 45.29, 183.64°)
OKLab	oklab(86.56% -0.1328 -0.0085)
OKLCH	oklch(86.56% 0.133 183.7)
XYZ	xyz(47.1720, 68.6443, 78.4599)
Luminance	0.6865 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51EFDC #EF5164

analogous

#51EF8D #51EFDC #51B3EF

triadic

#51EFDC #DC51EF #EFDC51

tetradic

#51EFDC #8D51EF #EF5164 #B3EF51

square

#51EFDC #8D51EF #EF5164 #B3EF51

split-complementary

#51EFDC #EF51B3 #EF8D51

monochromatic

#11B5A1 #19EAD1 #51EFDC #89F4E7 #C1F9F3

Accessibility & contrast

On white

1.43

#51EFDC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.73

#51EFDC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51EFDC

14.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51EFDC	#FFFFFF	#000000	##000000
##51EFDC	1.00	1.43	14.73	14.73
#FFFFFF	1.43	1.00	21.00	21.00
#000000	14.73	21.00	1.00	1.00
##000000	14.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E4E2DB

Deuteranopia (green-blind)

#CDD1DE

Tritanopia (blue-blind)

#00F4E9

Achromatopsia (no color)

#D8D8D8

Design tokens & code

CSS

--color: #51efdc;
/* rgb */ color: rgb(81, 239, 220);
/* oklch */ color: oklch(86.6% 0.133 183.7);

Tailwind

colors: {
  custom: {
    50: '#95f5e6',
    500: '#51efdc',
    950: '#000000',
  },
}

SCSS

$custom: #51efdc;
$custom-light: #95f5e6;
$custom-dark: #000000;

JSON

{
  "hex": "#51efdc",
  "rgb": {
    "r": 81,
    "g": 239,
    "b": 220
  },
  "hsl": {
    "h": 172.785,
    "s": 83.158,
    "l": 62.745
  },
  "oklch": {
    "l": 0.8656,
    "c": 0.13307,
    "h": 183.7
  },
  "luminance": 0.6865
}

Semantic roles & 50–950 ramp

primary

#51EFDC

secondary

#B53040

accent

#0620E0

background

#FCFFFE

surface

#F5FEFC

border

#CFD6D5

text

#0F1716

muted

#808584

Preview Lab

Preview with #51EFDC

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

Preview Lab → · Contrast checker → · Palette generator →