#51CB73#51CB73

#51CB73 is a light, vivid green. Relative luminance 0.457; OKLCH L 75.2% C 0.166 H 149.7°. Best body text is #000000 at 10.14:1 contrast (WCAG AA passes).

Color values

HEX	#51CB73
RGB	rgb(81, 203, 115)
HSL	hsl(137, 54%, 56%)
HSV	hsv(137, 60%, 80%)
CMYK	cmyk(60.1%, 0%, 43.3%, 20.4%)
CIE-LAB	lab(73.35, -53.06, 33.96)
CIE-LCH	lch(73.35, 62.99, 147.38°)
OKLab	oklab(75.22% -0.1434 0.0837)
OKLCH	oklch(75.22% 0.166 149.7)
XYZ	xyz(27.8418, 45.6963, 23.5694)
Luminance	0.4570 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CB73 #CB51A9

analogous

#6CCB51 #51CB73 #51CBB0

triadic

#51CB73 #7351CB #CB7351

tetradic

#51CB73 #516CCB #CB51A9 #CBB051

square

#51CB73 #516CCB #CB51A9 #CBB051

split-complementary

#51CB73 #B051CB #CB516C

monochromatic

#257C3D #33AC55 #51CB73 #80D999 #AFE7BF

Accessibility & contrast

On white

2.07

#51CB73 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.14

#51CB73 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CB73

10.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CB73	#FFFFFF	#000000	##000000
##51CB73	1.00	2.07	10.14	10.14
#FFFFFF	2.07	1.00	21.00	21.00
#000000	10.14	21.00	1.00	1.00
##000000	10.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CCBB6C

Deuteranopia (green-blind)

#BCB079

Tritanopia (blue-blind)

#2EC8B6

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #51cb73;
/* rgb */ color: rgb(81, 203, 115);
/* oklch */ color: oklch(75.2% 0.166 149.7);

Tailwind

colors: {
  custom: {
    50: '#8ddc9c',
    500: '#51cb73',
    950: '#000000',
  },
}

SCSS

$custom: #51cb73;
$custom-light: #8ddc9c;
$custom-dark: #000000;

JSON

{
  "hex": "#51cb73",
  "rgb": {
    "r": 81,
    "g": 203,
    "b": 115
  },
  "hsl": {
    "h": 136.721,
    "s": 53.982,
    "l": 55.686
  },
  "oklch": {
    "l": 0.75215,
    "c": 0.16602,
    "h": 149.7
  },
  "luminance": 0.45699
}

Semantic roles & 50–950 ramp

primary

#51CB73

secondary

#D5A3C7

accent

#4AB4DD

background

#F9FDF9

surface

#F1FBF2

border

#CBD4CC

text

#0D150E

muted

#7E837E

Preview Lab

Preview with #51CB73

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

Preview Lab → · Contrast checker → · Palette generator →