#51A137#51A137

#51A137 is a light, vivid green. Relative luminance 0.275; OKLCH L 63.6% C 0.162 H 138.9°. Best body text is #000000 at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#51A137
RGB	rgb(81, 161, 55)
HSL	hsl(105, 49%, 42%)
HSV	hsv(105, 66%, 63%)
CMYK	cmyk(49.7%, 0%, 65.8%, 36.9%)
CIE-LAB	lab(59.45, -44.45, 46.18)
CIE-LCH	lch(59.45, 64.10, 133.90°)
OKLab	oklab(63.55% -0.1223 0.1066)
OKLCH	oklch(63.55% 0.162 138.9)
XYZ	xyz(16.8272, 27.5137, 8.0377)
Luminance	0.2752 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51A137 #8737A1

analogous

#86A137 #51A137 #37A152

triadic

#51A137 #3751A1 #A13751

tetradic

#51A137 #3786A1 #8737A1 #A15237

square

#51A137 #3786A1 #8737A1 #A15237

split-complementary

#51A137 #5237A1 #A13786

monochromatic

#234618 #3A7327 #51A137 #6EC451 #94D37F

Accessibility & contrast

On white

3.23

#51A137 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.50

#51A137 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #51A137

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51A137	#FFFFFF	#000000	##000000
##51A137	1.00	3.23	6.50	6.50
#FFFFFF	3.23	1.00	21.00	21.00
#000000	6.50	21.00	1.00	1.00
##000000	6.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A6932A

Deuteranopia (green-blind)

#9B8D40

Tritanopia (blue-blind)

#4A9C8B

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #51a137;
/* rgb */ color: rgb(81, 161, 55);
/* oklch */ color: oklch(63.6% 0.162 138.9);

Tailwind

colors: {
  custom: {
    50: '#89bd73',
    500: '#51a137',
    950: '#000000',
  },
}

SCSS

$custom: #51a137;
$custom-light: #89bd73;
$custom-dark: #000000;

JSON

{
  "hex": "#51a137",
  "rgb": {
    "r": 81,
    "g": 161,
    "b": 55
  },
  "hsl": {
    "h": 105.283,
    "s": 49.074,
    "l": 42.353
  },
  "oklch": {
    "l": 0.63552,
    "c": 0.16221,
    "h": 138.9
  },
  "luminance": 0.27515
}

Semantic roles & 50–950 ramp

primary

#51A137

secondary

#AC77BD

accent

#4FD9B7

background

#F8FBF7

surface

#F0F7ED

border

#CBD0C8

text

#0C1208

muted

#7D817B

Preview Lab

Preview with #51A137

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

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