#51B027#51B027

#51B027 is a light, vivid green. Relative luminance 0.329; OKLCH L 67.4% C 0.191 H 138.2°. Best body text is #000000 at 7.59:1 contrast (WCAG AA passes).

Color values

HEX	#51B027
RGB	rgb(81, 176, 39)
HSL	hsl(102, 64%, 42%)
HSV	hsv(102, 78%, 69%)
CMYK	cmyk(54%, 0%, 77.8%, 31%)
CIE-LAB	lab(64.12, -51.53, 57.02)
CIE-LCH	lch(64.12, 76.85, 132.10°)
OKLab	oklab(67.36% -0.1424 0.1271)
OKLCH	oklch(67.36% 0.191 138.2)
XYZ	xyz(19.2842, 32.9450, 7.2619)
Luminance	0.3295 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51B027 #8627B0

analogous

#96B027 #51B027 #27B042

triadic

#51B027 #2751B0 #B02751

tetradic

#51B027 #2796B0 #8627B0 #B04227

square

#51B027 #2796B0 #8627B0 #B04227

split-complementary

#51B027 #4227B0 #B02796

monochromatic

#234C11 #3A7E1C #51B027 #6DD540 #93E072

Accessibility & contrast

On white

2.77

#51B027 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.59

#51B027 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B027

7.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51B027	#FFFFFF	#000000	##000000
##51B027	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)

#B6A000

Deuteranopia (green-blind)

#A99836

Tritanopia (blue-blind)

#49AA96

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #51b027;
/* rgb */ color: rgb(81, 176, 39);
/* oklch */ color: oklch(67.4% 0.191 138.2);

Tailwind

colors: {
  custom: {
    50: '#8cc86c',
    500: '#51b027',
    950: '#000000',
  },
}

SCSS

$custom: #51b027;
$custom-light: #8cc86c;
$custom-dark: #000000;

JSON

{
  "hex": "#51b027",
  "rgb": {
    "r": 81,
    "g": 176,
    "b": 39
  },
  "hsl": {
    "h": 101.606,
    "s": 63.721,
    "l": 42.157
  },
  "oklch": {
    "l": 0.6736,
    "c": 0.19092,
    "h": 138.2
  },
  "luminance": 0.32946
}

Semantic roles & 50–950 ramp

primary

#51B027

secondary

#AB6CC7

accent

#41E7B4

background

#F9FCF6

surface

#F1F8EC

border

#CBD1C7

text

#0D1307

muted

#7E827A

Preview Lab

Preview with #51B027

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

Preview Lab → · Contrast checker → · Palette generator →