#51C170#51C170

#51C170 is a light, vivid green. Relative luminance 0.411; OKLCH L 72.6% C 0.155 H 149.9°. Best body text is #000000 at 9.21:1 contrast (WCAG AA passes).

Color values

HEX	#51C170
RGB	rgb(81, 193, 112)
HSL	hsl(137, 47%, 54%)
HSV	hsv(137, 58%, 76%)
CMYK	cmyk(58%, 0%, 42%, 24.3%)
CIE-LAB	lab(70.22, -49.62, 31.44)
CIE-LCH	lch(70.22, 58.74, 147.64°)
OKLab	oklab(72.63% -0.1342 0.0777)
OKLCH	oklch(72.63% 0.155 149.9)
XYZ	xyz(25.3861, 41.0568, 21.9130)
Luminance	0.4106 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C170 #C151A2

analogous

#6AC151 #51C170 #51C1A8

triadic

#51C170 #7051C1 #C17051

tetradic

#51C170 #516AC1 #C151A2 #C1A851

square

#51C170 #516AC1 #C151A2 #C1A851

split-complementary

#51C170 #A851C1 #C1516A

monochromatic

#28703C #389D54 #51C170 #7ED195 #ABE1BA

Accessibility & contrast

On white

2.28

#51C170 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.21

#51C170 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C170

9.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C170	#FFFFFF	#000000	##000000
##51C170	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)

#C2B26A

Deuteranopia (green-blind)

#B3A875

Tritanopia (blue-blind)

#33BEAD

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #51c170;
/* rgb */ color: rgb(81, 193, 112);
/* oklch */ color: oklch(72.6% 0.155 149.9);

Tailwind

colors: {
  custom: {
    50: '#8cd49a',
    500: '#51c170',
    950: '#000000',
  },
}

SCSS

$custom: #51c170;
$custom-light: #8cd49a;
$custom-dark: #000000;

JSON

{
  "hex": "#51c170",
  "rgb": {
    "r": 81,
    "g": 193,
    "b": 112
  },
  "hsl": {
    "h": 136.607,
    "s": 47.458,
    "l": 53.725
  },
  "oklch": {
    "l": 0.72627,
    "c": 0.15512,
    "h": 149.9
  },
  "luminance": 0.41059
}

Semantic roles & 50–950 ramp

primary

#51C170

secondary

#CF9FC2

accent

#51B2D7

background

#F9FDF9

surface

#F1FAF2

border

#CBD3CC

text

#0D140E

muted

#7E837E

Preview Lab

Preview with #51C170

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

Preview Lab → · Contrast checker → · Palette generator →