#51BF91#51BF91

#51BF91 is a light, vivid teal. Relative luminance 0.411; OKLCH L 72.8% C 0.122 H 163.1°. Best body text is #000000 at 9.21:1 contrast (WCAG AA passes).

Color values

HEX	#51BF91
RGB	rgb(81, 191, 145)
HSL	hsl(155, 46%, 53%)
HSV	hsv(155, 58%, 75%)
CMYK	cmyk(57.6%, 0%, 24.1%, 25.1%)
CIE-LAB	lab(70.21, -42.39, 13.93)
CIE-LCH	lch(70.21, 44.62, 161.81°)
OKLab	oklab(72.83% -0.117 0.0356)
OKLCH	oklch(72.83% 0.122 163.1)
XYZ	xyz(27.1324, 41.0527, 33.2767)
Luminance	0.4106 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BF91 #BF517F

analogous

#51BF5A #51BF91 #51B6BF

triadic

#51BF91 #9151BF #BF9151

tetradic

#51BF91 #5A51BF #BF517F #B6BF51

square

#51BF91 #5A51BF #BF517F #B6BF51

split-complementary

#51BF91 #BF51B6 #BF5A51

monochromatic

#286D50 #399A71 #51BF91 #7ECFAD #AAE0CA

Accessibility & contrast

On white

2.28

#51BF91 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.21

#51BF91 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BF91

9.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BF91	#FFFFFF	#000000	##000000
##51BF91	1.00	2.28	9.21	9.21
#FFFFFF	2.28	1.00	21.00	21.00
#000000	9.21	21.00	1.00	1.00
##000000	9.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BCB28E

Deuteranopia (green-blind)

#ACA794

Tritanopia (blue-blind)

#1EBFB2

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #51bf91;
/* rgb */ color: rgb(81, 191, 145);
/* oklch */ color: oklch(72.8% 0.122 163.1);

Tailwind

colors: {
  custom: {
    50: '#8bd3b1',
    500: '#51bf91',
    950: '#000000',
  },
}

SCSS

$custom: #51bf91;
$custom-light: #8bd3b1;
$custom-dark: #000000;

JSON

{
  "hex": "#51bf91",
  "rgb": {
    "r": 81,
    "g": 191,
    "b": 145
  },
  "hsl": {
    "h": 154.909,
    "s": 46.218,
    "l": 53.333
  },
  "oklch": {
    "l": 0.72826,
    "c": 0.12227,
    "h": 163.1
  },
  "luminance": 0.41055
}

Semantic roles & 50–950 ramp

primary

#51BF91

secondary

#CE9EB2

accent

#5289D6

background

#F9FDFA

surface

#F1FAF5

border

#CBD3CF

text

#0D1410

muted

#7E837F

Preview Lab

Preview with #51BF91

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

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