#51A237#51A237

#51A237 is a light, vivid green. Relative luminance 0.279; OKLCH L 63.8% C 0.164 H 139.0°. Best body text is #000000 at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#51A237
RGB	rgb(81, 162, 55)
HSL	hsl(105, 49%, 43%)
HSV	hsv(105, 66%, 64%)
CMYK	cmyk(50%, 0%, 66%, 36.5%)
CIE-LAB	lab(59.77, -44.85, 46.53)
CIE-LCH	lch(59.77, 64.63, 133.95°)
OKLab	oklab(63.81% -0.1234 0.1073)
OKLCH	oklch(63.81% 0.164 139)
XYZ	xyz(17.0026, 27.8646, 8.0961)
Luminance	0.2787 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51A237 #8837A2

analogous

#86A237 #51A237 #37A253

triadic

#51A237 #3751A2 #A23751

tetradic

#51A237 #3786A2 #8837A2 #A25337

square

#51A237 #3786A2 #8837A2 #A25337

split-complementary

#51A237 #5337A2 #A23786

monochromatic

#234718 #3A7427 #51A237 #6EC452 #94D480

Accessibility & contrast

On white

3.19

#51A237 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.57

#51A237 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #51A237

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51A237	#FFFFFF	#000000	##000000
##51A237	1.00	3.19	6.57	6.57
#FFFFFF	3.19	1.00	21.00	21.00
#000000	6.57	21.00	1.00	1.00
##000000	6.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A79429

Deuteranopia (green-blind)

#9C8D40

Tritanopia (blue-blind)

#4A9D8C

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #51a237;
/* rgb */ color: rgb(81, 162, 55);
/* oklch */ color: oklch(63.8% 0.164 139.0);

Tailwind

colors: {
  custom: {
    50: '#89be73',
    500: '#51a237',
    950: '#000000',
  },
}

SCSS

$custom: #51a237;
$custom-light: #89be73;
$custom-dark: #000000;

JSON

{
  "hex": "#51a237",
  "rgb": {
    "r": 81,
    "g": 162,
    "b": 55
  },
  "hsl": {
    "h": 105.421,
    "s": 49.309,
    "l": 42.549
  },
  "oklch": {
    "l": 0.63814,
    "c": 0.16352,
    "h": 139
  },
  "luminance": 0.27866
}

Semantic roles & 50–950 ramp

primary

#51A237

secondary

#AC78BD

accent

#4FD9B7

background

#F8FBF7

surface

#F0F7ED

border

#CBD0C8

text

#0C1208

muted

#7D817B

Preview Lab

Preview with #51A237

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

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