#51B433#51B433

#51B433 is a light, vivid green. Relative luminance 0.346; OKLCH L 68.5% C 0.189 H 139.4°. Best body text is #000000 at 7.93:1 contrast (WCAG AA passes).

Color values

HEX	#51B433
RGB	rgb(81, 180, 51)
HSL	hsl(106, 56%, 45%)
HSV	hsv(106, 72%, 71%)
CMYK	cmyk(55%, 0%, 71.7%, 29.4%)
CIE-LAB	lab(65.46, -52.19, 54.16)
CIE-LCH	lch(65.46, 75.21, 133.94°)
OKLab	oklab(68.49% -0.1435 0.1228)
OKLCH	oklch(68.49% 0.189 139.4)
XYZ	xyz(20.3113, 34.6292, 8.7451)
Luminance	0.3463 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51B433 #9633B4

analogous

#91B433 #51B433 #33B456

triadic

#51B433 #3351B4 #B43351

tetradic

#51B433 #3391B4 #9633B4 #B45633

square

#51B433 #3391B4 #9633B4 #B45633

split-complementary

#51B433 #5633B4 #B43391

monochromatic

#265518 #3C8425 #51B433 #72CF55 #99DC85

Accessibility & contrast

On white

2.65

#51B433 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.93

#51B433 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B433

7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51B433	#FFFFFF	#000000	##000000
##51B433	1.00	2.65	7.93	7.93
#FFFFFF	2.65	1.00	21.00	21.00
#000000	7.93	21.00	1.00	1.00
##000000	7.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9A41D

Deuteranopia (green-blind)

#AD9C40

Tritanopia (blue-blind)

#47AE9B

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #51b433;
/* rgb */ color: rgb(81, 180, 51);
/* oklch */ color: oklch(68.5% 0.189 139.4);

Tailwind

colors: {
  custom: {
    50: '#8ccb72',
    500: '#51b433',
    950: '#000000',
  },
}

SCSS

$custom: #51b433;
$custom-light: #8ccb72;
$custom-dark: #000000;

JSON

{
  "hex": "#51b433",
  "rgb": {
    "r": 81,
    "g": 180,
    "b": 51
  },
  "hsl": {
    "h": 106.047,
    "s": 55.844,
    "l": 45.294
  },
  "oklch": {
    "l": 0.6849,
    "c": 0.18888,
    "h": 139.4
  },
  "luminance": 0.34631
}

Semantic roles & 50–950 ramp

primary

#51B433

secondary

#B57DC6

accent

#49DFBC

background

#F9FCF7

surface

#F1F9ED

border

#CBD2C8

text

#0D1308

muted

#7E827B

Preview Lab

Preview with #51B433

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

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