#51AA4E#51AA4E

#51AA4E is a light, vivid green. Relative luminance 0.310; OKLCH L 66.2% C 0.155 H 143.0°. Best body text is #000000 at 7.21:1 contrast (WCAG AA passes).

Color values

HEX	#51AA4E
RGB	rgb(81, 170, 78)
HSL	hsl(118, 37%, 49%)
HSV	hsv(118, 54%, 67%)
CMYK	cmyk(52.4%, 0%, 54.1%, 33.3%)
CIE-LAB	lab(62.55, -45.49, 39.03)
CIE-LCH	lch(62.55, 59.94, 139.37°)
OKLab	oklab(66.18% -0.1238 0.0933)
OKLCH	oklch(66.18% 0.155 143)
XYZ	xyz(19.1422, 31.0473, 12.1903)
Luminance	0.3105 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51AA4E #A74EAA

analogous

#7FAA4E #51AA4E #4EAA79

triadic

#51AA4E #4E51AA #AA4E51

tetradic

#51AA4E #4E7FAA #A74EAA #AA794E

square

#51AA4E #4E7FAA #A74EAA #AA794E

split-complementary

#51AA4E #794EAA #AA4E7F

monochromatic

#295628 #3D803B #51AA4E #78C075 #A1D39F

Accessibility & contrast

On white

2.91

#51AA4E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.21

#51AA4E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51AA4E

7.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51AA4E	#FFFFFF	#000000	##000000
##51AA4E	1.00	2.91	7.21	7.21
#FFFFFF	2.91	1.00	21.00	21.00
#000000	7.21	21.00	1.00	1.00
##000000	7.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AD9C46

Deuteranopia (green-blind)

#A19455

Tritanopia (blue-blind)

#45A695

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #51aa4e;
/* rgb */ color: rgb(81, 170, 78);
/* oklch */ color: oklch(66.2% 0.155 143.0);

Tailwind

colors: {
  custom: {
    50: '#89c482',
    500: '#51aa4e',
    950: '#000000',
  },
}

SCSS

$custom: #51aa4e;
$custom-light: #89c482;
$custom-dark: #000000;

JSON

{
  "hex": "#51aa4e",
  "rgb": {
    "r": 81,
    "g": 170,
    "b": 78
  },
  "hsl": {
    "h": 118.043,
    "s": 37.097,
    "l": 48.627
  },
  "oklch": {
    "l": 0.66176,
    "c": 0.15502,
    "h": 143
  },
  "luminance": 0.31049
}

Semantic roles & 50–950 ramp

primary

#51AA4E

secondary

#BF94C0

accent

#5BCDC9

background

#F8FCF8

surface

#F0F8EF

border

#CBD1CA

text

#0C130A

muted

#7D827C

Preview Lab

Preview with #51AA4E

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

Preview Lab → · Contrast checker → · Palette generator →