#51B02A#51B02A

#51B02A is a light, vivid green. Relative luminance 0.330; OKLCH L 67.4% C 0.189 H 138.5°. Best body text is #000000 at 7.59:1 contrast (WCAG AA passes).

Color values

HEX	#51B02A
RGB	rgb(81, 176, 42)
HSL	hsl(103, 61%, 43%)
HSV	hsv(103, 76%, 69%)
CMYK	cmyk(54%, 0%, 76.1%, 31%)
CIE-LAB	lab(64.13, -51.33, 56.05)
CIE-LCH	lch(64.13, 76.01, 132.48°)
OKLab	oklab(67.38% -0.1417 0.1255)
OKLCH	oklch(67.38% 0.189 138.5)
XYZ	xyz(19.3359, 32.9656, 7.5341)
Luminance	0.3297 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51B02A #892AB0

analogous

#94B02A #51B02A #2AB046

triadic

#51B02A #2A51B0 #B02A51

tetradic

#51B02A #2A94B0 #892AB0 #B0462A

square

#51B02A #2A94B0 #892AB0 #B0462A

split-complementary

#51B02A #462AB0 #B02A94

monochromatic

#244D12 #3A7F1E #51B02A #6ED345 #94DE76

Accessibility & contrast

On white

2.77

#51B02A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.59

#51B02A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B02A

7.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51B02A	#FFFFFF	#000000	##000000
##51B02A	1.00	2.77	7.59	7.59
#FFFFFF	2.77	1.00	21.00	21.00
#000000	7.59	21.00	1.00	1.00
##000000	7.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5A00A

Deuteranopia (green-blind)

#A99838

Tritanopia (blue-blind)

#49AA97

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #51b02a;
/* rgb */ color: rgb(81, 176, 42);
/* oklch */ color: oklch(67.4% 0.189 138.5);

Tailwind

colors: {
  custom: {
    50: '#8cc86d',
    500: '#51b02a',
    950: '#000000',
  },
}

SCSS

$custom: #51b02a;
$custom-light: #8cc86d;
$custom-dark: #000000;

JSON

{
  "hex": "#51b02a",
  "rgb": {
    "r": 81,
    "g": 176,
    "b": 42
  },
  "hsl": {
    "h": 102.537,
    "s": 61.468,
    "l": 42.745
  },
  "oklch": {
    "l": 0.67379,
    "c": 0.18934,
    "h": 138.5
  },
  "luminance": 0.32967
}

Semantic roles & 50–950 ramp

primary

#51B02A

secondary

#AD70C6

accent

#43E5B6

background

#F9FCF6

surface

#F1F8EC

border

#CBD1C7

text

#0D1308

muted

#7E827B

Preview Lab

Preview with #51B02A

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

Preview Lab → · Contrast checker → · Palette generator →