#51BB69#51BB69

#51BB69 is a light, vivid green. Relative luminance 0.383; OKLCH L 71.0% C 0.153 H 148.6°. Best body text is #000000 at 8.66:1 contrast (WCAG AA passes).

Color values

HEX	#51BB69
RGB	rgb(81, 187, 105)
HSL	hsl(134, 44%, 53%)
HSV	hsv(134, 57%, 73%)
CMYK	cmyk(56.7%, 0%, 43.9%, 26.7%)
CIE-LAB	lab(68.25, -48.37, 32.51)
CIE-LCH	lch(68.25, 58.28, 146.10°)
OKLab	oklab(70.97% -0.1309 0.08)
OKLCH	oklch(70.97% 0.153 148.6)
XYZ	xyz(23.7119, 38.3078, 19.5064)
Luminance	0.3831 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BB69 #BB51A3

analogous

#6EBB51 #51BB69 #51BB9E

triadic

#51BB69 #6951BB #BB6951

tetradic

#51BB69 #516EBB #BB51A3 #BB9E51

square

#51BB69 #516EBB #BB51A3 #BB9E51

split-complementary

#51BB69 #9E51BB #BB516E

monochromatic

#296937 #3A954F #51BB69 #7DCC8F #A9DDB5

Accessibility & contrast

On white

2.42

#51BB69 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.66

#51BB69 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BB69

8.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BB69	#FFFFFF	#000000	##000000
##51BB69	1.00	2.42	8.66	8.66
#FFFFFF	2.42	1.00	21.00	21.00
#000000	8.66	21.00	1.00	1.00
##000000	8.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BDAC63

Deuteranopia (green-blind)

#AEA36E

Tritanopia (blue-blind)

#38B8A7

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #51bb69;
/* rgb */ color: rgb(81, 187, 105);
/* oklch */ color: oklch(71.0% 0.153 148.6);

Tailwind

colors: {
  custom: {
    50: '#8bd095',
    500: '#51bb69',
    950: '#000000',
  },
}

SCSS

$custom: #51bb69;
$custom-light: #8bd095;
$custom-dark: #000000;

JSON

{
  "hex": "#51bb69",
  "rgb": {
    "r": 81,
    "g": 187,
    "b": 105
  },
  "hsl": {
    "h": 133.585,
    "s": 43.802,
    "l": 52.549
  },
  "oklch": {
    "l": 0.70975,
    "c": 0.15342,
    "h": 148.6
  },
  "luminance": 0.3831
}

Semantic roles & 50–950 ramp

primary

#51BB69

secondary

#CB9DC0

accent

#54B7D4

background

#F8FCF9

surface

#F0F9F2

border

#CBD2CC

text

#0D140D

muted

#7D827E

Preview Lab

Preview with #51BB69

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

Preview Lab → · Contrast checker → · Palette generator →