#51BC71#51BC71

#51BC71 is a light, vivid green. Relative luminance 0.389; OKLCH L 71.4% C 0.147 H 150.8°. Best body text is #000000 at 8.78:1 contrast (WCAG AA passes).

Color values

HEX	#51BC71
RGB	rgb(81, 188, 113)
HSL	hsl(138, 44%, 53%)
HSV	hsv(138, 57%, 74%)
CMYK	cmyk(56.9%, 0%, 39.9%, 26.3%)
CIE-LAB	lab(68.68, -47.43, 28.92)
CIE-LCH	lch(68.68, 55.55, 148.63°)
OKLab	oklab(71.37% -0.1285 0.0719)
OKLCH	oklch(71.37% 0.147 150.8)
XYZ	xyz(24.3554, 38.9058, 21.8457)
Luminance	0.3891 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BC71 #BC519C

analogous

#66BC51 #51BC71 #51BCA6

triadic

#51BC71 #7151BC #BC7151

tetradic

#51BC71 #5166BC #BC519C #BCA651

square

#51BC71 #5166BC #BC519C #BCA651

split-complementary

#51BC71 #A651BC #BC5166

monochromatic

#296A3C #3A9655 #51BC71 #7DCD95 #A9DEB9

Accessibility & contrast

On white

2.39

#51BC71 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.78

#51BC71 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BC71

8.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BC71	#FFFFFF	#000000	##000000
##51BC71	1.00	2.39	8.78	8.78
#FFFFFF	2.39	1.00	21.00	21.00
#000000	8.78	21.00	1.00	1.00
##000000	8.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BDAE6C

Deuteranopia (green-blind)

#AEA476

Tritanopia (blue-blind)

#35B9A9

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #51bc71;
/* rgb */ color: rgb(81, 188, 113);
/* oklch */ color: oklch(71.4% 0.147 150.8);

Tailwind

colors: {
  custom: {
    50: '#8bd19a',
    500: '#51bc71',
    950: '#000000',
  },
}

SCSS

$custom: #51bc71;
$custom-light: #8bd19a;
$custom-dark: #000000;

JSON

{
  "hex": "#51bc71",
  "rgb": {
    "r": 81,
    "g": 188,
    "b": 113
  },
  "hsl": {
    "h": 137.944,
    "s": 44.398,
    "l": 52.745
  },
  "oklch": {
    "l": 0.71374,
    "c": 0.14719,
    "h": 150.8
  },
  "luminance": 0.38908
}

Semantic roles & 50–950 ramp

primary

#51BC71

secondary

#CC9DBE

accent

#54AED4

background

#F8FCF9

surface

#F0F9F2

border

#CBD2CC

text

#0D140E

muted

#7D827E

Preview Lab

Preview with #51BC71

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

Preview Lab → · Contrast checker → · Palette generator →