#51AC3E#51AC3E

#51AC3E is a light, vivid green. Relative luminance 0.316; OKLCH L 66.5% C 0.171 H 140.4°. Best body text is #000000 at 7.32:1 contrast (WCAG AA passes).

Color values

HEX	#51AC3E
RGB	rgb(81, 172, 62)
HSL	hsl(110, 47%, 46%)
HSV	hsv(110, 64%, 67%)
CMYK	cmyk(52.9%, 0%, 64%, 32.5%)
CIE-LAB	lab(63.01, -48.14, 47.04)
CIE-LCH	lch(63.01, 67.31, 135.66°)
OKLab	oklab(66.5% -0.1319 0.1092)
OKLCH	oklch(66.5% 0.171 140.4)
XYZ	xyz(19.0145, 31.6007, 9.6541)
Luminance	0.3160 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51AC3E #993EAC

analogous

#88AC3E #51AC3E #3EAC62

triadic

#51AC3E #3E51AC #AC3E51

tetradic

#51AC3E #3E88AC #993EAC #AC623E

square

#51AC3E #3E88AC #993EAC #AC623E

split-complementary

#51AC3E #623EAC #AC3E88

monochromatic

#27521E #3C7F2E #51AC3E #73C661 #9BD68E

Accessibility & contrast

On white

2.87

#51AC3E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.32

#51AC3E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51AC3E

7.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51AC3E	#FFFFFF	#000000	##000000
##51AC3E	1.00	2.87	7.32	7.32
#FFFFFF	2.87	1.00	21.00	21.00
#000000	7.32	21.00	1.00	1.00
##000000	7.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B09D31

Deuteranopia (green-blind)

#A59647

Tritanopia (blue-blind)

#47A795

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #51ac3e;
/* rgb */ color: rgb(81, 172, 62);
/* oklch */ color: oklch(66.5% 0.171 140.4);

Tailwind

colors: {
  custom: {
    50: '#8ac578',
    500: '#51ac3e',
    950: '#000000',
  },
}

SCSS

$custom: #51ac3e;
$custom-light: #8ac578;
$custom-dark: #000000;

JSON

{
  "hex": "#51ac3e",
  "rgb": {
    "r": 81,
    "g": 172,
    "b": 62
  },
  "hsl": {
    "h": 109.636,
    "s": 47.009,
    "l": 45.882
  },
  "oklch": {
    "l": 0.66503,
    "c": 0.17119,
    "h": 140.4
  },
  "luminance": 0.31602
}

Semantic roles & 50–950 ramp

primary

#51AC3E

secondary

#B785C1

accent

#51D7C0

background

#F8FCF7

surface

#F0F8ED

border

#CBD1C8

text

#0C1309

muted

#7D827B

Preview Lab

Preview with #51AC3E

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

Preview Lab → · Contrast checker → · Palette generator →