#51D175#51D175

#51D175 is a light, vivid green. Relative luminance 0.486; OKLCH L 76.8% C 0.172 H 149.7°. Best body text is #000000 at 10.73:1 contrast (WCAG AA passes).

Color values

HEX	#51D175
RGB	rgb(81, 209, 117)
HSL	hsl(137, 58%, 57%)
HSV	hsv(137, 61%, 82%)
CMYK	cmyk(61.2%, 0%, 44%, 18%)
CIE-LAB	lab(75.22, -55.04, 35.36)
CIE-LCH	lch(75.22, 65.42, 147.28°)
OKLab	oklab(76.77% -0.1487 0.087)
OKLCH	oklch(76.77% 0.172 149.7)
XYZ	xyz(29.4025, 48.6317, 24.6635)
Luminance	0.4864 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D175 #D151AD

analogous

#6DD151 #51D175 #51D1B5

triadic

#51D175 #7551D1 #D17551

tetradic

#51D175 #516DD1 #D151AD #D1B551

square

#51D175 #516DD1 #D151AD #D1B551

split-complementary

#51D175 #B551D1 #D1516D

monochromatic

#23853E #30B555 #51D175 #81DE9B #B2EBC2

Accessibility & contrast

On white

1.96

#51D175 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.73

#51D175 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D175

10.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D175	#FFFFFF	#000000	##000000
##51D175	1.00	1.96	10.73	10.73
#FFFFFF	1.96	1.00	21.00	21.00
#000000	10.73	21.00	1.00	1.00
##000000	10.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D2C06E

Deuteranopia (green-blind)

#C2B57B

Tritanopia (blue-blind)

#29CDBB

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #51d175;
/* rgb */ color: rgb(81, 209, 117);
/* oklch */ color: oklch(76.8% 0.172 149.7);

Tailwind

colors: {
  custom: {
    50: '#8ee09e',
    500: '#51d175',
    950: '#000000',
  },
}

SCSS

$custom: #51d175;
$custom-light: #8ee09e;
$custom-dark: #000000;

JSON

{
  "hex": "#51d175",
  "rgb": {
    "r": 81,
    "g": 209,
    "b": 117
  },
  "hsl": {
    "h": 136.875,
    "s": 58.182,
    "l": 56.863
  },
  "oklch": {
    "l": 0.76766,
    "c": 0.17224,
    "h": 149.7
  },
  "luminance": 0.48635
}

Semantic roles & 50–950 ramp

primary

#51D175

secondary

#D9A5CA

accent

#46B6E1

background

#F9FDF9

surface

#F2FBF2

border

#CCD4CC

text

#0D150E

muted

#7E837E

Preview Lab

Preview with #51D175

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

Preview Lab → · Contrast checker → · Palette generator →