#51B527#51B527

#51B527 is a light, vivid green. Relative luminance 0.349; OKLCH L 68.7% C 0.197 H 138.5°. Best body text is #000000 at 7.99:1 contrast (WCAG AA passes).

Color values

HEX	#51B527
RGB	rgb(81, 181, 39)
HSL	hsl(102, 65%, 43%)
HSV	hsv(102, 78%, 71%)
CMYK	cmyk(55.2%, 0%, 78.5%, 29%)
CIE-LAB	lab(65.70, -53.38, 58.54)
CIE-LCH	lch(65.70, 79.22, 132.36°)
OKLab	oklab(68.67% -0.1474 0.1303)
OKLCH	oklch(68.67% 0.197 138.5)
XYZ	xyz(20.2827, 34.9419, 7.5947)
Luminance	0.3494 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51B527 #8B27B5

analogous

#98B527 #51B527 #27B544

triadic

#51B527 #2751B5 #B52751

tetradic

#51B527 #2798B5 #8B27B5 #B54427

square

#51B527 #2798B5 #8B27B5 #B54427

split-complementary

#51B527 #4427B5 #B52798

monochromatic

#245011 #3A831C #51B527 #6ED643 #95E175

Accessibility & contrast

On white

2.63

#51B527 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.99

#51B527 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B527

7.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51B527	#FFFFFF	#000000	##000000
##51B527	1.00	2.63	7.99	7.99
#FFFFFF	2.63	1.00	21.00	21.00
#000000	7.99	21.00	1.00	1.00
##000000	7.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BBA500

Deuteranopia (green-blind)

#AE9C37

Tritanopia (blue-blind)

#48AF9B

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #51b527;
/* rgb */ color: rgb(81, 181, 39);
/* oklch */ color: oklch(68.7% 0.197 138.5);

Tailwind

colors: {
  custom: {
    50: '#8dcc6d',
    500: '#51b527',
    950: '#000000',
  },
}

SCSS

$custom: #51b527;
$custom-light: #8dcc6d;
$custom-dark: #000000;

JSON

{
  "hex": "#51b527",
  "rgb": {
    "r": 81,
    "g": 181,
    "b": 39
  },
  "hsl": {
    "h": 102.254,
    "s": 64.545,
    "l": 43.137
  },
  "oklch": {
    "l": 0.68669,
    "c": 0.19675,
    "h": 138.5
  },
  "luminance": 0.34944
}

Semantic roles & 50–950 ramp

primary

#51B527

secondary

#AE6FC9

accent

#40E8B6

background

#F9FCF6

surface

#F1F9EC

border

#CBD2C7

text

#0D1308

muted

#7E827B

Preview Lab

Preview with #51B527

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

Preview Lab → · Contrast checker → · Palette generator →