#51AA2F#51AA2F

#51AA2F is a light, vivid green. Relative luminance 0.307; OKLCH L 65.8% C 0.179 H 138.6°. Best body text is #000000 at 7.14:1 contrast (WCAG AA passes).

Color values

HEX	#51AA2F
RGB	rgb(81, 170, 47)
HSL	hsl(103, 57%, 43%)
HSV	hsv(103, 72%, 67%)
CMYK	cmyk(52.4%, 0%, 72.4%, 33.3%)
CIE-LAB	lab(62.26, -48.69, 52.39)
CIE-LCH	lch(62.26, 71.53, 132.91°)
OKLab	oklab(65.84% -0.1343 0.1186)
OKLCH	oklch(65.84% 0.179 138.6)
XYZ	xyz(18.2805, 30.7026, 7.6517)
Luminance	0.3070 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51AA2F #882FAA

analogous

#8EAA2F #51AA2F #2FAA4B

triadic

#51AA2F #2F51AA #AA2F51

tetradic

#51AA2F #2F8EAA #882FAA #AA4B2F

square

#51AA2F #2F8EAA #882FAA #AA4B2F

split-complementary

#51AA2F #4B2FAA #AA2F8E

monochromatic

#234A14 #3A7A22 #51AA2F #6ECD49 #94DA79

Accessibility & contrast

On white

2.94

#51AA2F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.14

#51AA2F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51AA2F

7.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51AA2F	#FFFFFF	#000000	##000000
##51AA2F	1.00	2.94	7.14	7.14
#FFFFFF	2.94	1.00	21.00	21.00
#000000	7.14	21.00	1.00	1.00
##000000	7.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AF9B1A

Deuteranopia (green-blind)

#A4943B

Tritanopia (blue-blind)

#49A492

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #51aa2f;
/* rgb */ color: rgb(81, 170, 47);
/* oklch */ color: oklch(65.8% 0.179 138.6);

Tailwind

colors: {
  custom: {
    50: '#8bc46f',
    500: '#51aa2f',
    950: '#000000',
  },
}

SCSS

$custom: #51aa2f;
$custom-light: #8bc46f;
$custom-dark: #000000;

JSON

{
  "hex": "#51aa2f",
  "rgb": {
    "r": 81,
    "g": 170,
    "b": 47
  },
  "hsl": {
    "h": 103.415,
    "s": 56.682,
    "l": 42.549
  },
  "oklch": {
    "l": 0.65842,
    "c": 0.17917,
    "h": 138.6
  },
  "luminance": 0.30704
}

Semantic roles & 50–950 ramp

primary

#51AA2F

secondary

#AC72C2

accent

#48E0B6

background

#F8FCF7

surface

#F0F8ED

border

#CBD1C8

text

#0D1308

muted

#7D827B

Preview Lab

Preview with #51AA2F

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

Preview Lab → · Contrast checker → · Palette generator →