#51EFC2#51EFC2

#51EFC2 is a very light, vivid teal. Relative luminance 0.674; OKLCH L 85.8% C 0.146 H 170.1°. Best body text is #000000 at 14.48:1 contrast (WCAG AA passes).

Color values

HEX	#51EFC2
RGB	rgb(81, 239, 194)
HSL	hsl(163, 83%, 63%)
HSV	hsv(163, 66%, 94%)
CMYK	cmyk(66.1%, 0%, 18.8%, 6.3%)
CIE-LAB	lab(85.69, -51.56, 9.82)
CIE-LCH	lch(85.69, 52.48, 169.22°)
OKLab	oklab(85.83% -0.1443 0.0251)
OKLCH	oklch(85.83% 0.146 170.1)
XYZ	xyz(43.9925, 67.3725, 61.7142)
Luminance	0.6738 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51EFC2 #EF517E

analogous

#51EF73 #51EFC2 #51CDEF

triadic

#51EFC2 #C251EF #EFC251

tetradic

#51EFC2 #7351EF #EF517E #CDEF51

square

#51EFC2 #7351EF #EF517E #CDEF51

split-complementary

#51EFC2 #EF51CD #EF7351

monochromatic

#11B586 #19EAAE #51EFC2 #89F4D6 #C1F9E9

Accessibility & contrast

On white

1.45

#51EFC2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.48

#51EFC2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51EFC2

14.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51EFC2	#FFFFFF	#000000	##000000
##51EFC2	1.00	1.45	14.48	14.48
#FFFFFF	1.45	1.00	21.00	21.00
#000000	14.48	21.00	1.00	1.00
##000000	14.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E8DFC0

Deuteranopia (green-blind)

#D3D0C5

Tritanopia (blue-blind)

#00F1E2

Achromatopsia (no color)

#D6D6D6

Design tokens & code

CSS

--color: #51efc2;
/* rgb */ color: rgb(81, 239, 194);
/* oklch */ color: oklch(85.8% 0.146 170.1);

Tailwind

colors: {
  custom: {
    50: '#93f5d4',
    500: '#51efc2',
    950: '#000000',
  },
}

SCSS

$custom: #51efc2;
$custom-light: #93f5d4;
$custom-dark: #000000;

JSON

{
  "hex": "#51efc2",
  "rgb": {
    "r": 81,
    "g": 239,
    "b": 194
  },
  "hsl": {
    "h": 162.911,
    "s": 83.158,
    "l": 62.745
  },
  "oklch": {
    "l": 0.85831,
    "c": 0.14648,
    "h": 170.1
  },
  "luminance": 0.67377
}

Semantic roles & 50–950 ramp

primary

#51EFC2

secondary

#B53056

accent

#0644E0

background

#FCFFFE

surface

#F5FEFB

border

#CFD6D4

text

#0F1714

muted

#808583

Preview Lab

Preview with #51EFC2

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

Preview Lab → · Contrast checker → · Palette generator →