#51D271#51D271

#51D271 is a light, vivid green. Relative luminance 0.490; OKLCH L 77.0% C 0.177 H 148.7°. Best body text is #000000 at 10.81:1 contrast (WCAG AA passes).

Color values

HEX	#51D271
RGB	rgb(81, 210, 113)
HSL	hsl(135, 59%, 57%)
HSV	hsv(135, 61%, 82%)
CMYK	cmyk(61.4%, 0%, 46.2%, 17.6%)
CIE-LAB	lab(75.47, -56.05, 37.68)
CIE-LCH	lch(75.47, 67.54, 146.09°)
OKLab	oklab(76.95% -0.1514 0.0921)
OKLCH	oklch(76.95% 0.177 148.7)
XYZ	xyz(29.4185, 49.0319, 23.5333)
Luminance	0.4904 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D271 #D251B2

analogous

#72D251 #51D271 #51D2B2

triadic

#51D271 #7151D2 #D27151

tetradic

#51D271 #5172D2 #D251B2 #D2B251

square

#51D271 #5172D2 #D251B2 #D2B251

split-complementary

#51D271 #B251D2 #D25172

monochromatic

#23863B #2FB751 #51D271 #82DF99 #B2EBC0

Accessibility & contrast

On white

1.94

#51D271 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.81

#51D271 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D271

10.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D271	#FFFFFF	#000000	##000000
##51D271	1.00	1.94	10.81	10.81
#FFFFFF	1.94	1.00	21.00	21.00
#000000	10.81	21.00	1.00	1.00
##000000	10.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4C169

Deuteranopia (green-blind)

#C3B578

Tritanopia (blue-blind)

#2BCEBB

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #51d271;
/* rgb */ color: rgb(81, 210, 113);
/* oklch */ color: oklch(77.0% 0.177 148.7);

Tailwind

colors: {
  custom: {
    50: '#8ee19b',
    500: '#51d271',
    950: '#000000',
  },
}

SCSS

$custom: #51d271;
$custom-light: #8ee19b;
$custom-dark: #000000;

JSON

{
  "hex": "#51d271",
  "rgb": {
    "r": 81,
    "g": 210,
    "b": 113
  },
  "hsl": {
    "h": 134.884,
    "s": 58.904,
    "l": 57.059
  },
  "oklch": {
    "l": 0.76953,
    "c": 0.17723,
    "h": 148.7
  },
  "luminance": 0.49035
}

Semantic roles & 50–950 ramp

primary

#51D271

secondary

#DAA5CD

accent

#46BBE2

background

#F9FDF9

surface

#F2FBF2

border

#CCD4CC

text

#0D150E

muted

#7E837E

Preview Lab

Preview with #51D271

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

Preview Lab → · Contrast checker → · Palette generator →