#51D5BC#51D5BC

#51D5BC is a light, vivid teal. Relative luminance 0.530; OKLCH L 79.4% C 0.121 H 178.2°. Best body text is #000000 at 11.59:1 contrast (WCAG AA passes).

Color values

HEX	#51D5BC
RGB	rgb(81, 213, 188)
HSL	hsl(169, 61%, 58%)
HSV	hsv(169, 62%, 84%)
CMYK	cmyk(62%, 0%, 11.7%, 16.5%)
CIE-LAB	lab(77.85, -41.91, 1.69)
CIE-LCH	lch(77.85, 41.94, 177.69°)
OKLab	oklab(79.39% -0.1207 0.0038)
OKLCH	oklch(79.39% 0.121 178.2)
XYZ	xyz(36.2604, 52.9648, 55.8795)
Luminance	0.5297 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D5BC #D5516A

analogous

#51D57A #51D5BC #51ACD5

triadic

#51D5BC #BC51D5 #D5BC51

tetradic

#51D5BC #7A51D5 #D5516A #ACD551

square

#51D5BC #7A51D5 #D5516A #ACD551

split-complementary

#51D5BC #D551AC #D57A51

monochromatic

#218A76 #2DBCA1 #51D5BC #82E1CF #B4EDE2

Accessibility & contrast

On white

1.81

#51D5BC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.59

#51D5BC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D5BC

11.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D5BC	#FFFFFF	#000000	##000000
##51D5BC	1.00	1.81	11.59	11.59
#FFFFFF	1.81	1.00	21.00	21.00
#000000	11.59	21.00	1.00	1.00
##000000	11.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CDC9BB

Deuteranopia (green-blind)

#BABBBE

Tritanopia (blue-blind)

#00D8CD

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #51d5bc;
/* rgb */ color: rgb(81, 213, 188);
/* oklch */ color: oklch(79.4% 0.121 178.2);

Tailwind

colors: {
  custom: {
    50: '#90e2d0',
    500: '#51d5bc',
    950: '#000000',
  },
}

SCSS

$custom: #51d5bc;
$custom-light: #90e2d0;
$custom-dark: #000000;

JSON

{
  "hex": "#51d5bc",
  "rgb": {
    "r": 81,
    "g": 213,
    "b": 188
  },
  "hsl": {
    "h": 168.636,
    "s": 61.111,
    "l": 57.647
  },
  "oklch": {
    "l": 0.7939,
    "c": 0.12074,
    "h": 178.2
  },
  "luminance": 0.52969
}

Semantic roles & 50–950 ramp

primary

#51D5BC

secondary

#903A4A

accent

#4462E4

background

#FCFEFE

surface

#F5FCFB

border

#CFD5D4

text

#0E1513

muted

#7F8483

Preview Lab

Preview with #51D5BC

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

Preview Lab → · Contrast checker → · Palette generator →