#51C437#51C437

#51C437 is a light, highly saturated green. Relative luminance 0.415; OKLCH L 72.7% C 0.205 H 140.4°. Best body text is #000000 at 9.30:1 contrast (WCAG AA passes).

Color values

HEX	#51C437
RGB	rgb(81, 196, 55)
HSL	hsl(109, 56%, 49%)
HSV	hsv(109, 72%, 77%)
CMYK	cmyk(58.7%, 0%, 71.9%, 23.1%)
CIE-LAB	lab(70.53, -57.72, 57.85)
CIE-LCH	lch(70.53, 81.72, 134.93°)
OKLab	oklab(72.68% -0.1582 0.1311)
OKLCH	oklch(72.68% 0.205 140.4)
XYZ	xyz(23.8218, 41.5029, 10.3692)
Luminance	0.4150 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C437 #AA37C4

analogous

#98C437 #51C437 #37C464

triadic

#51C437 #3751C4 #C43751

tetradic

#51C437 #3798C4 #AA37C4 #C46437

square

#51C437 #3798C4 #AA37C4 #C46437

split-complementary

#51C437 #6437C4 #C43798

monochromatic

#2A641C #3D942A #51C437 #79D465 #A2E194

Accessibility & contrast

On white

2.26

#51C437 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.30

#51C437 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C437

9.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C437	#FFFFFF	#000000	##000000
##51C437	1.00	2.26	9.30	9.30
#FFFFFF	2.26	1.00	21.00	21.00
#000000	9.30	21.00	1.00	1.00
##000000	9.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C9B21E

Deuteranopia (green-blind)

#BBA945

Tritanopia (blue-blind)

#42BEA8

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #51c437;
/* rgb */ color: rgb(81, 196, 55);
/* oklch */ color: oklch(72.7% 0.205 140.4);

Tailwind

colors: {
  custom: {
    50: '#8ed776',
    500: '#51c437',
    950: '#000000',
  },
}

SCSS

$custom: #51c437;
$custom-light: #8ed776;
$custom-dark: #000000;

JSON

{
  "hex": "#51c437",
  "rgb": {
    "r": 81,
    "g": 196,
    "b": 55
  },
  "hsl": {
    "h": 108.936,
    "s": 56.175,
    "l": 49.216
  },
  "oklch": {
    "l": 0.72681,
    "c": 0.20543,
    "h": 140.4
  },
  "luminance": 0.41505
}

Semantic roles & 50–950 ramp

primary

#51C437

secondary

#C08BCC

accent

#48DFC4

background

#F9FDF7

surface

#F2FAED

border

#CCD3C8

text

#0E1409

muted

#7E837B

Preview Lab

Preview with #51C437

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

Preview Lab → · Contrast checker → · Palette generator →