#51E4BC#51E4BC

#51E4BC is a very light, vivid teal. Relative luminance 0.609; OKLCH L 83.0% C 0.138 H 171.4°. Best body text is #000000 at 13.17:1 contrast (WCAG AA passes).

Color values

HEX	#51E4BC
RGB	rgb(81, 228, 188)
HSL	hsl(164, 73%, 61%)
HSV	hsv(164, 64%, 89%)
CMYK	cmyk(64.5%, 0%, 17.5%, 10.6%)
CIE-LAB	lab(82.30, -48.38, 8.12)
CIE-LCH	lch(82.30, 49.06, 170.47°)
OKLab	oklab(83.02% -0.136 0.0207)
OKLCH	oklch(83.02% 0.138 171.4)
XYZ	xyz(40.2093, 60.8626, 57.1958)
Luminance	0.6087 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E4BC #E45179

analogous

#51E472 #51E4BC #51C3E4

triadic

#51E4BC #BC51E4 #E4BC51

tetradic

#51E4BC #7251E4 #E45179 #C3E451

square

#51E4BC #7251E4 #E45179 #C3E451

split-complementary

#51E4BC #E451C3 #E47251

monochromatic

#19A27C #21D7A5 #51E4BC #86ECD0 #BBF4E5

Accessibility & contrast

On white

1.59

#51E4BC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.17

#51E4BC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E4BC

13.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E4BC	#FFFFFF	#000000	##000000
##51E4BC	1.00	1.59	13.17	13.17
#FFFFFF	1.59	1.00	21.00	21.00
#000000	13.17	21.00	1.00	1.00
##000000	13.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDD6BA

Deuteranopia (green-blind)

#C9C7BF

Tritanopia (blue-blind)

#00E6D8

Achromatopsia (no color)

#CDCDCD

Design tokens & code

CSS

--color: #51e4bc;
/* rgb */ color: rgb(81, 228, 188);
/* oklch */ color: oklch(83.0% 0.138 171.4);

Tailwind

colors: {
  custom: {
    50: '#92edd0',
    500: '#51e4bc',
    950: '#000000',
  },
}

SCSS

$custom: #51e4bc;
$custom-light: #92edd0;
$custom-dark: #000000;

JSON

{
  "hex": "#51e4bc",
  "rgb": {
    "r": 81,
    "g": 228,
    "b": 188
  },
  "hsl": {
    "h": 163.673,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.83018,
    "c": 0.13759,
    "h": 171.4
  },
  "luminance": 0.60867
}

Semantic roles & 50–950 ramp

primary

#51E4BC

secondary

#A43553

accent

#1046D5

background

#FCFFFE

surface

#F5FEFB

border

#CFD6D4

text

#0E1614

muted

#7F8583

Preview Lab

Preview with #51E4BC

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

Preview Lab → · Contrast checker → · Palette generator →