#51B330#51B330

#51B330 is a light, vivid green. Relative luminance 0.342; OKLCH L 68.2% C 0.190 H 139.1°. Best body text is #000000 at 7.84:1 contrast (WCAG AA passes).

Color values

HEX	#51B330
RGB	rgb(81, 179, 48)
HSL	hsl(105, 58%, 45%)
HSV	hsv(105, 73%, 70%)
CMYK	cmyk(54.7%, 0%, 73.2%, 29.8%)
CIE-LAB	lab(65.12, -52.04, 54.93)
CIE-LCH	lch(65.12, 75.66, 133.46°)
OKLab	oklab(68.21% -0.1433 0.124)
OKLCH	oklch(68.21% 0.19 139.1)
XYZ	xyz(20.0461, 34.2013, 8.3409)
Luminance	0.3420 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51B330 #9230B3

analogous

#93B330 #51B330 #30B350

triadic

#51B330 #3051B3 #B33051

tetradic

#51B330 #3093B3 #9230B3 #B35030

square

#51B330 #3093B3 #9230B3 #B35030

split-complementary

#51B330 #5030B3 #B33093

monochromatic

#255216 #3B8323 #51B330 #70D050 #98DD80

Accessibility & contrast

On white

2.68

#51B330 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.84

#51B330 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B330

7.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51B330	#FFFFFF	#000000	##000000
##51B330	1.00	2.68	7.84	7.84
#FFFFFF	2.68	1.00	21.00	21.00
#000000	7.84	21.00	1.00	1.00
##000000	7.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8A318

Deuteranopia (green-blind)

#AC9B3D

Tritanopia (blue-blind)

#47AD9A

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #51b330;
/* rgb */ color: rgb(81, 179, 48);
/* oklch */ color: oklch(68.2% 0.190 139.1);

Tailwind

colors: {
  custom: {
    50: '#8cca71',
    500: '#51b330',
    950: '#000000',
  },
}

SCSS

$custom: #51b330;
$custom-light: #8cca71;
$custom-dark: #000000;

JSON

{
  "hex": "#51b330",
  "rgb": {
    "r": 81,
    "g": 179,
    "b": 48
  },
  "hsl": {
    "h": 104.885,
    "s": 57.709,
    "l": 44.51
  },
  "oklch": {
    "l": 0.68206,
    "c": 0.18951,
    "h": 139.1
  },
  "luminance": 0.34203
}

Semantic roles & 50–950 ramp

primary

#51B330

secondary

#B379C6

accent

#47E1BA

background

#F9FCF7

surface

#F1F8ED

border

#CBD1C8

text

#0D1308

muted

#7E827B

Preview Lab

Preview with #51B330

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

Preview Lab → · Contrast checker → · Palette generator →