#51DEC9#51DEC9

#51DEC9 is a light, vivid teal. Relative luminance 0.582; OKLCH L 81.9% C 0.124 H 181.4°. Best body text is #000000 at 12.64:1 contrast (WCAG AA passes).

Color values

HEX	#51DEC9
RGB	rgb(81, 222, 201)
HSL	hsl(171, 68%, 59%)
HSV	hsv(171, 64%, 87%)
CMYK	cmyk(63.5%, 0%, 9.5%, 12.9%)
CIE-LAB	lab(80.85, -42.61, -0.87)
CIE-LCH	lch(80.85, 42.62, 181.17°)
OKLab	oklab(81.94% -0.1241 -0.003)
OKLCH	oklch(81.94% 0.124 181.4)
XYZ	xyz(40.0523, 58.2046, 64.3708)
Luminance	0.5821 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DEC9 #DE5166

analogous

#51DE83 #51DEC9 #51ADDE

triadic

#51DEC9 #C951DE #DEC951

tetradic

#51DEC9 #8351DE #DE5166 #ADDE51

square

#51DEC9 #8351DE #DE5166 #ADDE51

split-complementary

#51DEC9 #DE51AD #DE8351

monochromatic

#1D9885 #27CBB3 #51DEC9 #84E8D9 #B8F2E9

Accessibility & contrast

On white

1.66

#51DEC9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.64

#51DEC9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DEC9

12.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DEC9	#FFFFFF	#000000	##000000
##51DEC9	1.00	1.66	12.64	12.64
#FFFFFF	1.66	1.00	21.00	21.00
#000000	12.64	21.00	1.00	1.00
##000000	12.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4D2C8

Deuteranopia (green-blind)

#C0C2CB

Tritanopia (blue-blind)

#00E2D7

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #51dec9;
/* rgb */ color: rgb(81, 222, 201);
/* oklch */ color: oklch(81.9% 0.124 181.4);

Tailwind

colors: {
  custom: {
    50: '#91e9d9',
    500: '#51dec9',
    950: '#000000',
  },
}

SCSS

$custom: #51dec9;
$custom-light: #91e9d9;
$custom-dark: #000000;

JSON

{
  "hex": "#51dec9",
  "rgb": {
    "r": 81,
    "g": 222,
    "b": 201
  },
  "hsl": {
    "h": 171.064,
    "s": 68.116,
    "l": 59.412
  },
  "oklch": {
    "l": 0.8194,
    "c": 0.12417,
    "h": 181.4
  },
  "luminance": 0.58209
}

Semantic roles & 50–950 ramp

primary

#51DEC9

secondary

#9C3746

accent

#3D57EB

background

#FCFEFE

surface

#F5FDFB

border

#CFD5D4

text

#0E1614

muted

#7F8483

Preview Lab

Preview with #51DEC9

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

Preview Lab → · Contrast checker → · Palette generator →