#51AB2F#51AB2F

#51AB2F is a light, vivid green. Relative luminance 0.311; OKLCH L 66.1% C 0.180 H 138.6°. Best body text is #000000 at 7.22:1 contrast (WCAG AA passes).

Color values

HEX	#51AB2F
RGB	rgb(81, 171, 47)
HSL	hsl(104, 57%, 43%)
HSV	hsv(104, 73%, 67%)
CMYK	cmyk(52.6%, 0%, 72.5%, 32.9%)
CIE-LAB	lab(62.57, -49.08, 52.71)
CIE-LCH	lch(62.57, 72.03, 132.95°)
OKLab	oklab(66.1% -0.1354 0.1193)
OKLCH	oklch(66.1% 0.18 138.6)
XYZ	xyz(18.4687, 31.0790, 7.7144)
Luminance	0.3108 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51AB2F #892FAB

analogous

#8FAB2F #51AB2F #2FAB4B

triadic

#51AB2F #2F51AB #AB2F51

tetradic

#51AB2F #2F8FAB #892FAB #AB4B2F

square

#51AB2F #2F8FAB #892FAB #AB4B2F

split-complementary

#51AB2F #4B2FAB #AB2F8F

monochromatic

#244B15 #3A7B22 #51AB2F #6ECD4A #94DA7A

Accessibility & contrast

On white

2.91

#51AB2F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.22

#51AB2F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51AB2F

7.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51AB2F	#FFFFFF	#000000	##000000
##51AB2F	1.00	2.91	7.22	7.22
#FFFFFF	2.91	1.00	21.00	21.00
#000000	7.22	21.00	1.00	1.00
##000000	7.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B09C19

Deuteranopia (green-blind)

#A5943B

Tritanopia (blue-blind)

#49A593

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #51ab2f;
/* rgb */ color: rgb(81, 171, 47);
/* oklch */ color: oklch(66.1% 0.180 138.6);

Tailwind

colors: {
  custom: {
    50: '#8bc56f',
    500: '#51ab2f',
    950: '#000000',
  },
}

SCSS

$custom: #51ab2f;
$custom-light: #8bc56f;
$custom-dark: #000000;

JSON

{
  "hex": "#51ab2f",
  "rgb": {
    "r": 81,
    "g": 171,
    "b": 47
  },
  "hsl": {
    "h": 103.548,
    "s": 56.881,
    "l": 42.745
  },
  "oklch": {
    "l": 0.66104,
    "c": 0.1804,
    "h": 138.6
  },
  "luminance": 0.3108
}

Semantic roles & 50–950 ramp

primary

#51AB2F

secondary

#AD73C3

accent

#48E0B6

background

#F9FCF7

surface

#F1F8ED

border

#CBD1C8

text

#0D1308

muted

#7E827B

Preview Lab

Preview with #51AB2F

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

Preview Lab → · Contrast checker → · Palette generator →