#51BB2F#51BB2F

#51BB2F is a light, vivid green. Relative luminance 0.375; OKLCH L 70.3% C 0.200 H 139.4°. Best body text is #000000 at 8.50:1 contrast (WCAG AA passes).

Color values

HEX	#51BB2F
RGB	rgb(81, 187, 47)
HSL	hsl(105, 60%, 46%)
HSV	hsv(105, 75%, 73%)
CMYK	cmyk(56.7%, 0%, 74.9%, 26.7%)
CIE-LAB	lab(67.65, -55.06, 57.80)
CIE-LCH	lch(67.65, 79.83, 133.61°)
OKLab	oklab(70.29% -0.1515 0.1299)
OKLCH	oklch(70.29% 0.2 139.4)
XYZ	xyz(21.6759, 37.4934, 8.7835)
Luminance	0.3750 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BB2F #992FBB

analogous

#97BB2F #51BB2F #2FBB53

triadic

#51BB2F #2F51BB #BB2F51

tetradic

#51BB2F #2F97BB #992FBB #BB532F

square

#51BB2F #2F97BB #992FBB #BB532F

split-complementary

#51BB2F #532FBB #BB2F97

monochromatic

#275916 #3C8A23 #51BB2F #73D453 #9BE084

Accessibility & contrast

On white

2.47

#51BB2F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.50

#51BB2F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BB2F

8.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BB2F	#FFFFFF	#000000	##000000
##51BB2F	1.00	2.47	8.50	8.50
#FFFFFF	2.47	1.00	21.00	21.00
#000000	8.50	21.00	1.00	1.00
##000000	8.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C0AA11

Deuteranopia (green-blind)

#B3A13E

Tritanopia (blue-blind)

#45B5A0

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #51bb2f;
/* rgb */ color: rgb(81, 187, 47);
/* oklch */ color: oklch(70.3% 0.200 139.4);

Tailwind

colors: {
  custom: {
    50: '#8dd071',
    500: '#51bb2f',
    950: '#000000',
  },
}

SCSS

$custom: #51bb2f;
$custom-light: #8dd071;
$custom-dark: #000000;

JSON

{
  "hex": "#51bb2f",
  "rgb": {
    "r": 81,
    "g": 187,
    "b": 47
  },
  "hsl": {
    "h": 105.429,
    "s": 59.829,
    "l": 45.882
  },
  "oklch": {
    "l": 0.70286,
    "c": 0.19955,
    "h": 139.4
  },
  "luminance": 0.37495
}

Semantic roles & 50–950 ramp

primary

#51BB2F

secondary

#B77CC9

accent

#45E3BD

background

#F9FCF7

surface

#F2F9ED

border

#CCD2C8

text

#0D1408

muted

#7E827B

Preview Lab

Preview with #51BB2F

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

Preview Lab → · Contrast checker → · Palette generator →