#51B236#51B236

#51B236 is a light, vivid green. Relative luminance 0.339; OKLCH L 68.0% C 0.185 H 139.7°. Best body text is #000000 at 7.77:1 contrast (WCAG AA passes).

Color values

HEX	#51B236
RGB	rgb(81, 178, 54)
HSL	hsl(107, 53%, 45%)
HSV	hsv(107, 70%, 70%)
CMYK	cmyk(54.5%, 0%, 69.7%, 30.2%)
CIE-LAB	lab(64.85, -51.19, 52.36)
CIE-LCH	lch(64.85, 73.23, 134.35°)
OKLab	oklab(67.99% -0.1406 0.1195)
OKLCH	oklch(67.99% 0.185 139.7)
XYZ	xyz(19.9788, 33.8548, 8.9711)
Luminance	0.3386 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51B236 #9736B2

analogous

#8FB236 #51B236 #36B259

triadic

#51B236 #3651B2 #B23651

tetradic

#51B236 #368FB2 #9736B2 #B25936

square

#51B236 #368FB2 #9736B2 #B25936

split-complementary

#51B236 #5936B2 #B2368F

monochromatic

#26541A #3C8328 #51B236 #72CD59 #9ADB88

Accessibility & contrast

On white

2.70

#51B236 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.77

#51B236 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B236

7.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51B236	#FFFFFF	#000000	##000000
##51B236	1.00	2.70	7.77	7.77
#FFFFFF	2.70	1.00	21.00	21.00
#000000	7.77	21.00	1.00	1.00
##000000	7.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7A223

Deuteranopia (green-blind)

#AB9A42

Tritanopia (blue-blind)

#47AC99

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #51b236;
/* rgb */ color: rgb(81, 178, 54);
/* oklch */ color: oklch(68.0% 0.185 139.7);

Tailwind

colors: {
  custom: {
    50: '#8bca74',
    500: '#51b236',
    950: '#000000',
  },
}

SCSS

$custom: #51b236;
$custom-light: #8bca74;
$custom-dark: #000000;

JSON

{
  "hex": "#51b236",
  "rgb": {
    "r": 81,
    "g": 178,
    "b": 54
  },
  "hsl": {
    "h": 106.935,
    "s": 53.448,
    "l": 45.49
  },
  "oklch": {
    "l": 0.67993,
    "c": 0.18451,
    "h": 139.7
  },
  "luminance": 0.33856
}

Semantic roles & 50–950 ramp

primary

#51B236

secondary

#B67FC5

accent

#4BDDBD

background

#F9FCF7

surface

#F1F8ED

border

#CBD1C8

text

#0D1309

muted

#7E827B

Preview Lab

Preview with #51B236

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

Preview Lab → · Contrast checker → · Palette generator →