#51AC33#51AC33

#51AC33 is a light, vivid green. Relative luminance 0.315; OKLCH L 66.4% C 0.179 H 139.1°. Best body text is #000000 at 7.30:1 contrast (WCAG AA passes).

Color values

HEX	#51AC33
RGB	rgb(81, 172, 51)
HSL	hsl(105, 54%, 44%)
HSV	hsv(105, 70%, 67%)
CMYK	cmyk(52.9%, 0%, 70.3%, 32.5%)
CIE-LAB	lab(62.92, -49.15, 51.53)
CIE-LCH	lch(62.92, 71.21, 133.64°)
OKLab	oklab(66.4% -0.1353 0.1173)
OKLCH	oklch(66.4% 0.179 139.1)
XYZ	xyz(18.7427, 31.4919, 8.2222)
Luminance	0.3149 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51AC33 #8E33AC

analogous

#8DAC33 #51AC33 #33AC51

triadic

#51AC33 #3351AC #AC3351

tetradic

#51AC33 #338DAC #8E33AC #AC5133

square

#51AC33 #338DAC #8E33AC #AC5133

split-complementary

#51AC33 #5133AC #AC338D

monochromatic

#254E17 #3B7D25 #51AC33 #6FCB51 #96D980

Accessibility & contrast

On white

2.88

#51AC33 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.30

#51AC33 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51AC33

7.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51AC33	#FFFFFF	#000000	##000000
##51AC33	1.00	2.88	7.30	7.30
#FFFFFF	2.88	1.00	21.00	21.00
#000000	7.30	21.00	1.00	1.00
##000000	7.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B19D20

Deuteranopia (green-blind)

#A5953E

Tritanopia (blue-blind)

#49A694

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #51ac33;
/* rgb */ color: rgb(81, 172, 51);
/* oklch */ color: oklch(66.4% 0.179 139.1);

Tailwind

colors: {
  custom: {
    50: '#8bc572',
    500: '#51ac33',
    950: '#000000',
  },
}

SCSS

$custom: #51ac33;
$custom-light: #8bc572;
$custom-dark: #000000;

JSON

{
  "hex": "#51ac33",
  "rgb": {
    "r": 81,
    "g": 172,
    "b": 51
  },
  "hsl": {
    "h": 105.124,
    "s": 54.26,
    "l": 43.725
  },
  "oklch": {
    "l": 0.66399,
    "c": 0.17907,
    "h": 139.1
  },
  "luminance": 0.31493
}

Semantic roles & 50–950 ramp

primary

#51AC33

secondary

#B078C2

accent

#4ADEB9

background

#F9FCF7

surface

#F1F8ED

border

#CBD1C8

text

#0D1308

muted

#7E827B

Preview Lab

Preview with #51AC33

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

Preview Lab → · Contrast checker → · Palette generator →