#51AD2A#51AD2A

#51AD2A is a light, vivid green. Relative luminance 0.318; OKLCH L 66.6% C 0.186 H 138.3°. Best body text is #000000 at 7.36:1 contrast (WCAG AA passes).

Color values

HEX	#51AD2A
RGB	rgb(81, 173, 42)
HSL	hsl(102, 61%, 42%)
HSV	hsv(102, 76%, 68%)
CMYK	cmyk(53.2%, 0%, 75.7%, 32.2%)
CIE-LAB	lab(63.18, -50.20, 55.12)
CIE-LCH	lch(63.18, 74.55, 132.33°)
OKLab	oklab(66.59% -0.1387 0.1236)
OKLCH	oklch(66.59% 0.186 138.3)
XYZ	xyz(18.7541, 31.8022, 7.3402)
Luminance	0.3180 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51AD2A #862AAD

analogous

#93AD2A #51AD2A #2AAD44

triadic

#51AD2A #2A51AD #AD2A51

tetradic

#51AD2A #2A93AD #862AAD #AD442A

square

#51AD2A #2A93AD #862AAD #AD442A

split-complementary

#51AD2A #442AAD #AD2A93

monochromatic

#234B12 #3A7C1E #51AD2A #6DD143 #93DD74

Accessibility & contrast

On white

2.85

#51AD2A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.36

#51AD2A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51AD2A

7.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51AD2A	#FFFFFF	#000000	##000000
##51AD2A	1.00	2.85	7.36	7.36
#FFFFFF	2.85	1.00	21.00	21.00
#000000	7.36	21.00	1.00	1.00
##000000	7.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B29E0D

Deuteranopia (green-blind)

#A79638

Tritanopia (blue-blind)

#49A794

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #51ad2a;
/* rgb */ color: rgb(81, 173, 42);
/* oklch */ color: oklch(66.6% 0.186 138.3);

Tailwind

colors: {
  custom: {
    50: '#8bc66d',
    500: '#51ad2a',
    950: '#000000',
  },
}

SCSS

$custom: #51ad2a;
$custom-light: #8bc66d;
$custom-dark: #000000;

JSON

{
  "hex": "#51ad2a",
  "rgb": {
    "r": 81,
    "g": 173,
    "b": 42
  },
  "hsl": {
    "h": 102.137,
    "s": 60.93,
    "l": 42.157
  },
  "oklch": {
    "l": 0.66592,
    "c": 0.18576,
    "h": 138.3
  },
  "luminance": 0.31804
}

Semantic roles & 50–950 ramp

primary

#51AD2A

secondary

#AB6EC5

accent

#44E4B4

background

#F9FCF6

surface

#F1F8EC

border

#CBD1C7

text

#0D1308

muted

#7E827B

Preview Lab

Preview with #51AD2A

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

Preview Lab → · Contrast checker → · Palette generator →