#51D99F#51D99F

#51D99F is a light, vivid teal. Relative luminance 0.539; OKLCH L 79.6% C 0.145 H 161.7°. Best body text is #000000 at 11.78:1 contrast (WCAG AA passes).

Color values

HEX	#51D99F
RGB	rgb(81, 217, 159)
HSL	hsl(154, 64%, 58%)
HSV	hsv(154, 63%, 85%)
CMYK	cmyk(62.7%, 0%, 26.7%, 14.9%)
CIE-LAB	lab(78.39, -50.32, 17.87)
CIE-LCH	lch(78.39, 53.40, 160.44°)
OKLab	oklab(79.61% -0.138 0.0456)
OKLCH	oklch(79.61% 0.145 161.7)
XYZ	xyz(34.4608, 53.8747, 41.3769)
Luminance	0.5388 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D99F #D9518B

analogous

#51D95B #51D99F #51CFD9

triadic

#51D99F #9F51D9 #D99F51

tetradic

#51D99F #5B51D9 #D9518B #CFD951

square

#51D99F #5B51D9 #D9518B #CFD951

split-complementary

#51D99F #D951CF #D95B51

monochromatic

#1F9060 #2AC282 #51D99F #83E4BB #B5EFD6

Accessibility & contrast

On white

1.78

#51D99F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.78

#51D99F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D99F

11.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D99F	#FFFFFF	#000000	##000000
##51D99F	1.00	1.78	11.78	11.78
#FFFFFF	1.78	1.00	21.00	21.00
#000000	11.78	21.00	1.00	1.00
##000000	11.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6CA9C

Deuteranopia (green-blind)

#C3BDA3

Tritanopia (blue-blind)

#00D9C9

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #51d99f;
/* rgb */ color: rgb(81, 217, 159);
/* oklch */ color: oklch(79.6% 0.145 161.7);

Tailwind

colors: {
  custom: {
    50: '#8fe5bb',
    500: '#51d99f',
    950: '#000000',
  },
}

SCSS

$custom: #51d99f;
$custom-light: #8fe5bb;
$custom-dark: #000000;

JSON

{
  "hex": "#51d99f",
  "rgb": {
    "r": 81,
    "g": 217,
    "b": 159
  },
  "hsl": {
    "h": 154.412,
    "s": 64.151,
    "l": 58.431
  },
  "oklch": {
    "l": 0.79607,
    "c": 0.14536,
    "h": 161.7
  },
  "luminance": 0.53878
}

Semantic roles & 50–950 ramp

primary

#51D99F

secondary

#953960

accent

#4188E7

background

#FCFEFD

surface

#F5FCF8

border

#CFD5D1

text

#0E1612

muted

#7F8482

Preview Lab

Preview with #51D99F

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

Preview Lab → · Contrast checker → · Palette generator →