#51EFB1#51EFB1

#51EFB1 is a very light, vivid teal. Relative luminance 0.667; OKLCH L 85.4% C 0.159 H 163.1°. Best body text is #000000 at 14.33:1 contrast (WCAG AA passes).

Color values

HEX	#51EFB1
RGB	rgb(81, 239, 177)
HSL	hsl(156, 83%, 63%)
HSV	hsv(156, 66%, 94%)
CMYK	cmyk(66.1%, 0%, 25.9%, 6.3%)
CIE-LAB	lab(85.33, -55.34, 18.14)
CIE-LCH	lch(85.33, 58.24, 161.85°)
OKLab	oklab(85.41% -0.152 0.0463)
OKLCH	oklch(85.41% 0.159 163.1)
XYZ	xyz(42.1913, 66.6520, 52.2280)
Luminance	0.6666 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51EFB1 #EF518F

analogous

#51EF62 #51EFB1 #51DEEF

triadic

#51EFB1 #B151EF #EFB151

tetradic

#51EFB1 #6251EF #EF518F #DEEF51

square

#51EFB1 #6251EF #EF518F #DEEF51

split-complementary

#51EFB1 #EF51DE #EF6251

monochromatic

#11B574 #19EA98 #51EFB1 #89F4CA #C1F9E3

Accessibility & contrast

On white

1.47

#51EFB1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.33

#51EFB1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51EFB1

14.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51EFB1	#FFFFFF	#000000	##000000
##51EFB1	1.00	1.47	14.33	14.33
#FFFFFF	1.47	1.00	21.00	21.00
#000000	14.33	21.00	1.00	1.00
##000000	14.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EBDEAE

Deuteranopia (green-blind)

#D6CFB5

Tritanopia (blue-blind)

#00EFDE

Achromatopsia (no color)

#D5D5D5

Design tokens & code

CSS

--color: #51efb1;
/* rgb */ color: rgb(81, 239, 177);
/* oklch */ color: oklch(85.4% 0.159 163.1);

Tailwind

colors: {
  custom: {
    50: '#93f5c8',
    500: '#51efb1',
    950: '#000000',
  },
}

SCSS

$custom: #51efb1;
$custom-light: #93f5c8;
$custom-dark: #000000;

JSON

{
  "hex": "#51efb1",
  "rgb": {
    "r": 81,
    "g": 239,
    "b": 177
  },
  "hsl": {
    "h": 156.456,
    "s": 83.158,
    "l": 62.745
  },
  "oklch": {
    "l": 0.85413,
    "c": 0.15889,
    "h": 163.1
  },
  "luminance": 0.66657
}

Semantic roles & 50–950 ramp

primary

#51EFB1

secondary

#B53064

accent

#065BE0

background

#FCFFFD

surface

#F5FEF9

border

#CFD6D2

text

#0E1713

muted

#7F8582

Preview Lab

Preview with #51EFB1

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

Preview Lab → · Contrast checker → · Palette generator →