#51B56D#51B56D

#51B56D is a light, vivid green. Relative luminance 0.359; OKLCH L 69.5% C 0.141 H 150.4°. Best body text is #000000 at 8.18:1 contrast (WCAG AA passes).

Color values

HEX	#51B56D
RGB	rgb(81, 181, 109)
HSL	hsl(137, 40%, 51%)
HSV	hsv(137, 55%, 71%)
CMYK	cmyk(55.2%, 0%, 39.8%, 29%)
CIE-LAB	lab(66.44, -45.25, 28.08)
CIE-LCH	lch(66.44, 53.25, 148.18°)
OKLab	oklab(69.52% -0.1226 0.0698)
OKLCH	oklch(69.52% 0.141 150.4)
XYZ	xyz(22.6759, 35.8992, 20.1993)
Luminance	0.3590 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51B56D #B55199

analogous

#67B551 #51B56D #51B59F

triadic

#51B56D #6D51B5 #B56D51

tetradic

#51B56D #5167B5 #B55199 #B59F51

square

#51B56D #5167B5 #B55199 #B59F51

split-complementary

#51B56D #9F51B5 #B55167

monochromatic

#2A6239 #3C8D53 #51B56D #7CC791 #A7DAB5

Accessibility & contrast

On white

2.57

#51B56D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.18

#51B56D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B56D

8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51B56D	#FFFFFF	#000000	##000000
##51B56D	1.00	2.57	8.18	8.18
#FFFFFF	2.57	1.00	21.00	21.00
#000000	8.18	21.00	1.00	1.00
##000000	8.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6A768

Deuteranopia (green-blind)

#A89E72

Tritanopia (blue-blind)

#39B2A3

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #51b56d;
/* rgb */ color: rgb(81, 181, 109);
/* oklch */ color: oklch(69.5% 0.141 150.4);

Tailwind

colors: {
  custom: {
    50: '#8acc97',
    500: '#51b56d',
    950: '#000000',
  },
}

SCSS

$custom: #51b56d;
$custom-light: #8acc97;
$custom-dark: #000000;

JSON

{
  "hex": "#51b56d",
  "rgb": {
    "r": 81,
    "g": 181,
    "b": 109
  },
  "hsl": {
    "h": 136.8,
    "s": 40.323,
    "l": 51.373
  },
  "oklch": {
    "l": 0.69516,
    "c": 0.14109,
    "h": 150.4
  },
  "luminance": 0.35901
}

Semantic roles & 50–950 ramp

primary

#51B56D

secondary

#C79BBB

accent

#58AED0

background

#F8FCF9

surface

#F0F9F2

border

#CBD2CC

text

#0C130D

muted

#7D827E

Preview Lab

Preview with #51B56D

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

Preview Lab → · Contrast checker → · Palette generator →