#51B629#51B629

#51B629 is a light, vivid green. Relative luminance 0.354; OKLCH L 68.9% C 0.197 H 138.7°. Best body text is #000000 at 8.07:1 contrast (WCAG AA passes).

Color values

HEX	#51B629
RGB	rgb(81, 182, 41)
HSL	hsl(103, 63%, 44%)
HSV	hsv(103, 77%, 71%)
CMYK	cmyk(55.5%, 0%, 77.5%, 28.6%)
CIE-LAB	lab(66.03, -53.63, 58.22)
CIE-LCH	lch(66.03, 79.16, 132.65°)
OKLab	oklab(68.94% -0.148 0.1299)
OKLCH	oklch(68.94% 0.197 138.7)
XYZ	xyz(20.5207, 35.3636, 7.8419)
Luminance	0.3537 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51B629 #8E29B6

analogous

#97B629 #51B629 #29B647

triadic

#51B629 #2951B6 #B62951

tetradic

#51B629 #2997B6 #8E29B6 #B64729

square

#51B629 #2997B6 #8E29B6 #B64729

split-complementary

#51B629 #4729B6 #B62997

monochromatic

#255212 #3B841E #51B629 #6FD547 #96E179

Accessibility & contrast

On white

2.60

#51B629 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.07

#51B629 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B629

8.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51B629	#FFFFFF	#000000	##000000
##51B629	1.00	2.60	8.07	8.07
#FFFFFF	2.60	1.00	21.00	21.00
#000000	8.07	21.00	1.00	1.00
##000000	8.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BCA602

Deuteranopia (green-blind)

#AF9D39

Tritanopia (blue-blind)

#47B09C

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #51b629;
/* rgb */ color: rgb(81, 182, 41);
/* oklch */ color: oklch(68.9% 0.197 138.7);

Tailwind

colors: {
  custom: {
    50: '#8dcd6e',
    500: '#51b629',
    950: '#000000',
  },
}

SCSS

$custom: #51b629;
$custom-light: #8dcd6e;
$custom-dark: #000000;

JSON

{
  "hex": "#51b629",
  "rgb": {
    "r": 81,
    "g": 182,
    "b": 41
  },
  "hsl": {
    "h": 102.979,
    "s": 63.229,
    "l": 43.725
  },
  "oklch": {
    "l": 0.68942,
    "c": 0.19691,
    "h": 138.7
  },
  "luminance": 0.35365
}

Semantic roles & 50–950 ramp

primary

#51B629

secondary

#B072C9

accent

#42E6B8

background

#F9FCF6

surface

#F1F9EC

border

#CBD2C7

text

#0D1308

muted

#7E827B

Preview Lab

Preview with #51B629

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

Preview Lab → · Contrast checker → · Palette generator →