#51AD27#51AD27

#51AD27 is a light, vivid green. Relative luminance 0.318; OKLCH L 66.6% C 0.187 H 138.1°. Best body text is #000000 at 7.36:1 contrast (WCAG AA passes).

Color values

HEX	#51AD27
RGB	rgb(81, 173, 39)
HSL	hsl(101, 63%, 42%)
HSV	hsv(101, 77%, 68%)
CMYK	cmyk(53.2%, 0%, 77.5%, 32.2%)
CIE-LAB	lab(63.16, -50.40, 56.11)
CIE-LCH	lch(63.16, 75.42, 131.93°)
OKLab	oklab(66.57% -0.1394 0.1252)
OKLCH	oklch(66.57% 0.187 138.1)
XYZ	xyz(18.7025, 31.7815, 7.0680)
Luminance	0.3178 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51AD27 #8327AD

analogous

#94AD27 #51AD27 #27AD40

triadic

#51AD27 #2751AD #AD2751

tetradic

#51AD27 #2794AD #8327AD #AD4027

square

#51AD27 #2794AD #8327AD #AD4027

split-complementary

#51AD27 #4027AD #AD2794

monochromatic

#224910 #3A7B1C #51AD27 #6DD33E #92DF70

Accessibility & contrast

On white

2.85

#51AD27 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.36

#51AD27 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51AD27

7.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51AD27	#FFFFFF	#000000	##000000
##51AD27	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)

#B39E03

Deuteranopia (green-blind)

#A79636

Tritanopia (blue-blind)

#4AA794

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #51ad27;
/* rgb */ color: rgb(81, 173, 39);
/* oklch */ color: oklch(66.6% 0.187 138.1);

Tailwind

colors: {
  custom: {
    50: '#8bc66c',
    500: '#51ad27',
    950: '#000000',
  },
}

SCSS

$custom: #51ad27;
$custom-light: #8bc66c;
$custom-dark: #000000;

JSON

{
  "hex": "#51ad27",
  "rgb": {
    "r": 81,
    "g": 173,
    "b": 39
  },
  "hsl": {
    "h": 101.194,
    "s": 63.208,
    "l": 41.569
  },
  "oklch": {
    "l": 0.66573,
    "c": 0.18738,
    "h": 138.1
  },
  "luminance": 0.31783
}

Semantic roles & 50–950 ramp

primary

#51AD27

secondary

#A96AC6

accent

#42E6B3

background

#F9FCF6

surface

#F1F8EC

border

#CBD1C7

text

#0D1307

muted

#7E827A

Preview Lab

Preview with #51AD27

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

Preview Lab → · Contrast checker → · Palette generator →