#51CB79#51CB79

#51CB79 is a light, vivid green. Relative luminance 0.458; OKLCH L 75.3% C 0.160 H 151.3°. Best body text is #000000 at 10.17:1 contrast (WCAG AA passes).

Color values

HEX	#51CB79
RGB	rgb(81, 203, 121)
HSL	hsl(140, 54%, 56%)
HSV	hsv(140, 60%, 80%)
CMYK	cmyk(60.1%, 0%, 40.4%, 20.4%)
CIE-LAB	lab(73.44, -52.04, 31.01)
CIE-LCH	lch(73.44, 60.59, 149.21°)
OKLab	oklab(75.32% -0.1408 0.077)
OKLCH	oklch(75.32% 0.16 151.3)
XYZ	xyz(28.1983, 45.8389, 25.4472)
Luminance	0.4584 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CB79 #CB51A3

analogous

#66CB51 #51CB79 #51CBB6

triadic

#51CB79 #7951CB #CB7951

tetradic

#51CB79 #5166CB #CB51A3 #CBB651

square

#51CB79 #5166CB #CB51A3 #CBB651

split-complementary

#51CB79 #B651CB #CB5166

monochromatic

#257C42 #33AC5B #51CB79 #80D99D #AFE7C2

Accessibility & contrast

On white

2.07

#51CB79 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.17

#51CB79 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CB79

10.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CB79	#FFFFFF	#000000	##000000
##51CB79	1.00	2.07	10.17	10.17
#FFFFFF	2.07	1.00	21.00	21.00
#000000	10.17	21.00	1.00	1.00
##000000	10.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CCBB73

Deuteranopia (green-blind)

#BCB07E

Tritanopia (blue-blind)

#2AC8B7

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #51cb79;
/* rgb */ color: rgb(81, 203, 121);
/* oklch */ color: oklch(75.3% 0.160 151.3);

Tailwind

colors: {
  custom: {
    50: '#8ddca0',
    500: '#51cb79',
    950: '#000000',
  },
}

SCSS

$custom: #51cb79;
$custom-light: #8ddca0;
$custom-dark: #000000;

JSON

{
  "hex": "#51cb79",
  "rgb": {
    "r": 81,
    "g": 203,
    "b": 121
  },
  "hsl": {
    "h": 139.672,
    "s": 53.982,
    "l": 55.686
  },
  "oklch": {
    "l": 0.75322,
    "c": 0.16044,
    "h": 151.3
  },
  "luminance": 0.45842
}

Semantic roles & 50–950 ramp

primary

#51CB79

secondary

#D5A3C5

accent

#4AADDD

background

#F9FDF9

surface

#F1FBF2

border

#CBD4CC

text

#0D150F

muted

#7E837E

Preview Lab

Preview with #51CB79

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

Preview Lab → · Contrast checker → · Palette generator →