#51BD91#51BD91

#51BD91 is a light, moderate teal. Relative luminance 0.402; OKLCH L 72.3% C 0.120 H 163.8°. Best body text is #000000 at 9.04:1 contrast (WCAG AA passes).

Color values

HEX	#51BD91
RGB	rgb(81, 189, 145)
HSL	hsl(156, 45%, 53%)
HSV	hsv(156, 57%, 74%)
CMYK	cmyk(57.1%, 0%, 23.3%, 25.9%)
CIE-LAB	lab(69.60, -41.52, 13.07)
CIE-LCH	lch(69.60, 43.52, 162.53°)
OKLab	oklab(72.33% -0.1148 0.0335)
OKLCH	oklch(72.33% 0.12 163.8)
XYZ	xyz(26.6992, 40.1863, 33.1323)
Luminance	0.4019 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BD91 #BD517D

analogous

#51BD5B #51BD91 #51B3BD

triadic

#51BD91 #9151BD #BD9151

tetradic

#51BD91 #5B51BD #BD517D #B3BD51

square

#51BD91 #5B51BD #BD517D #B3BD51

split-complementary

#51BD91 #BD51B3 #BD5B51

monochromatic

#296B50 #399771 #51BD91 #7DCEAD #AADFC9

Accessibility & contrast

On white

2.32

#51BD91 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.04

#51BD91 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BD91

9.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BD91	#FFFFFF	#000000	##000000
##51BD91	1.00	2.32	9.04	9.04
#FFFFFF	2.32	1.00	21.00	21.00
#000000	9.04	21.00	1.00	1.00
##000000	9.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BAB18F

Deuteranopia (green-blind)

#AAA594

Tritanopia (blue-blind)

#1FBDB1

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #51bd91;
/* rgb */ color: rgb(81, 189, 145);
/* oklch */ color: oklch(72.3% 0.120 163.8);

Tailwind

colors: {
  custom: {
    50: '#8bd1b1',
    500: '#51bd91',
    950: '#000000',
  },
}

SCSS

$custom: #51bd91;
$custom-light: #8bd1b1;
$custom-dark: #000000;

JSON

{
  "hex": "#51bd91",
  "rgb": {
    "r": 81,
    "g": 189,
    "b": 145
  },
  "hsl": {
    "h": 155.556,
    "s": 45,
    "l": 52.941
  },
  "oklch": {
    "l": 0.72327,
    "c": 0.11955,
    "h": 163.8
  },
  "luminance": 0.40189
}

Semantic roles & 50–950 ramp

primary

#51BD91

secondary

#CC9EB1

accent

#5388D5

background

#F9FCFA

surface

#F1F9F5

border

#CBD2CF

text

#0D1410

muted

#7E827F

Preview Lab

Preview with #51BD91

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

Preview Lab → · Contrast checker → · Palette generator →