#51AD2D#51AD2D

#51AD2D is a light, vivid green. Relative luminance 0.318; OKLCH L 66.6% C 0.184 H 138.5°. Best body text is #000000 at 7.37:1 contrast (WCAG AA passes).

Color values

HEX	#51AD2D
RGB	rgb(81, 173, 45)
HSL	hsl(103, 59%, 43%)
HSV	hsv(103, 74%, 68%)
CMYK	cmyk(53.2%, 0%, 74%, 32.2%)
CIE-LAB	lab(63.20, -49.99, 54.08)
CIE-LCH	lch(63.20, 73.65, 132.75°)
OKLab	oklab(66.61% -0.1379 0.1218)
OKLCH	oklch(66.61% 0.184 138.5)
XYZ	xyz(18.8099, 31.8245, 7.6337)
Luminance	0.3183 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51AD2D #892DAD

analogous

#91AD2D #51AD2D #2DAD49

triadic

#51AD2D #2D51AD #AD2D51

tetradic

#51AD2D #2D91AD #892DAD #AD492D

square

#51AD2D #2D91AD #892DAD #AD492D

split-complementary

#51AD2D #492DAD #AD2D91

monochromatic

#244C14 #3A7C20 #51AD2D #6ECF48 #94DC78

Accessibility & contrast

On white

2.85

#51AD2D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.37

#51AD2D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51AD2D

7.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51AD2D	#FFFFFF	#000000	##000000
##51AD2D	1.00	2.85	7.37	7.37
#FFFFFF	2.85	1.00	21.00	21.00
#000000	7.37	21.00	1.00	1.00
##000000	7.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B29E14

Deuteranopia (green-blind)

#A7963A

Tritanopia (blue-blind)

#49A794

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #51ad2d;
/* rgb */ color: rgb(81, 173, 45);
/* oklch */ color: oklch(66.6% 0.184 138.5);

Tailwind

colors: {
  custom: {
    50: '#8bc66f',
    500: '#51ad2d',
    950: '#000000',
  },
}

SCSS

$custom: #51ad2d;
$custom-light: #8bc66f;
$custom-dark: #000000;

JSON

{
  "hex": "#51ad2d",
  "rgb": {
    "r": 81,
    "g": 173,
    "b": 45
  },
  "hsl": {
    "h": 103.125,
    "s": 58.716,
    "l": 42.745
  },
  "oklch": {
    "l": 0.66613,
    "c": 0.18405,
    "h": 138.5
  },
  "luminance": 0.31826
}

Semantic roles & 50–950 ramp

primary

#51AD2D

secondary

#AD72C4

accent

#46E2B6

background

#F9FCF6

surface

#F1F8EC

border

#CBD1C7

text

#0D1308

muted

#7E827B

Preview Lab

Preview with #51AD2D

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

Preview Lab → · Contrast checker → · Palette generator →