#51AB32#51AB32

#51AB32 is a light, vivid green. Relative luminance 0.311; OKLCH L 66.1% C 0.178 H 138.9°. Best body text is #000000 at 7.22:1 contrast (WCAG AA passes).

Color values

HEX	#51AB32
RGB	rgb(81, 171, 50)
HSL	hsl(105, 55%, 43%)
HSV	hsv(105, 71%, 67%)
CMYK	cmyk(52.6%, 0%, 70.8%, 32.9%)
CIE-LAB	lab(62.60, -48.84, 51.59)
CIE-LCH	lch(62.60, 71.04, 133.43°)
OKLab	oklab(66.13% -0.1345 0.1173)
OKLCH	oklch(66.13% 0.178 138.9)
XYZ	xyz(18.5313, 31.1040, 8.0442)
Luminance	0.3110 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51AB32 #8C32AB

analogous

#8DAB32 #51AB32 #32AB4F

triadic

#51AB32 #3251AB #AB3251

tetradic

#51AB32 #328DAB #8C32AB #AB4F32

square

#51AB32 #328DAB #8C32AB #AB4F32

split-complementary

#51AB32 #4F32AB #AB328D

monochromatic

#244C16 #3B7C24 #51AB32 #6FCB4F #95D97E

Accessibility & contrast

On white

2.91

#51AB32 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.22

#51AB32 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51AB32

7.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51AB32	#FFFFFF	#000000	##000000
##51AB32	1.00	2.91	7.22	7.22
#FFFFFF	2.91	1.00	21.00	21.00
#000000	7.22	21.00	1.00	1.00
##000000	7.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B09C1F

Deuteranopia (green-blind)

#A4953E

Tritanopia (blue-blind)

#49A593

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #51ab32;
/* rgb */ color: rgb(81, 171, 50);
/* oklch */ color: oklch(66.1% 0.178 138.9);

Tailwind

colors: {
  custom: {
    50: '#8bc571',
    500: '#51ab32',
    950: '#000000',
  },
}

SCSS

$custom: #51ab32;
$custom-light: #8bc571;
$custom-dark: #000000;

JSON

{
  "hex": "#51ab32",
  "rgb": {
    "r": 81,
    "g": 171,
    "b": 50
  },
  "hsl": {
    "h": 104.628,
    "s": 54.751,
    "l": 43.333
  },
  "oklch": {
    "l": 0.66128,
    "c": 0.17849,
    "h": 138.9
  },
  "luminance": 0.31105
}

Semantic roles & 50–950 ramp

primary

#51AB32

secondary

#AF77C2

accent

#4ADEB8

background

#F8FCF7

surface

#F0F8ED

border

#CBD1C8

text

#0D1308

muted

#7D827B

Preview Lab

Preview with #51AB32

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

Preview Lab → · Contrast checker → · Palette generator →