#51E67B#51E67B

#51E67B is a very light, vivid green. Relative luminance 0.598; OKLCH L 82.1% C 0.194 H 149.2°. Best body text is #000000 at 12.95:1 contrast (WCAG AA passes).

Color values

HEX	#51E67B
RGB	rgb(81, 230, 123)
HSL	hsl(137, 75%, 61%)
HSV	hsv(137, 65%, 90%)
CMYK	cmyk(64.8%, 0%, 46.5%, 9.8%)
CIE-LAB	lab(81.71, -61.90, 40.66)
CIE-LCH	lch(81.71, 74.06, 146.70°)
OKLab	oklab(82.14% -0.1669 0.0993)
OKLCH	oklch(82.14% 0.194 149.2)
XYZ	xyz(35.2626, 59.7693, 28.4133)
Luminance	0.5977 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E67B #E651BC

analogous

#71E651 #51E67B #51E6C5

triadic

#51E67B #7B51E6 #E67B51

tetradic

#51E67B #5171E6 #E651BC #E6C551

square

#51E67B #5171E6 #E651BC #E6C551

split-complementary

#51E67B #C551E6 #E65171

monochromatic

#18A53F #1FDA54 #51E67B #87EEA4 #BCF5CC

Accessibility & contrast

On white

1.62

#51E67B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.95

#51E67B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E67B

12.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E67B	#FFFFFF	#000000	##000000
##51E67B	1.00	1.62	12.95	12.95
#FFFFFF	1.62	1.00	21.00	21.00
#000000	12.95	21.00	1.00	1.00
##000000	12.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E8D373

Deuteranopia (green-blind)

#D5C682

Tritanopia (blue-blind)

#14E2CD

Achromatopsia (no color)

#CBCBCB

Design tokens & code

CSS

--color: #51e67b;
/* rgb */ color: rgb(81, 230, 123);
/* oklch */ color: oklch(82.1% 0.194 149.2);

Tailwind

colors: {
  custom: {
    50: '#92efa3',
    500: '#51e67b',
    950: '#000000',
  },
}

SCSS

$custom: #51e67b;
$custom-light: #92efa3;
$custom-dark: #000000;

JSON

{
  "hex": "#51e67b",
  "rgb": {
    "r": 81,
    "g": 230,
    "b": 123
  },
  "hsl": {
    "h": 136.913,
    "s": 74.874,
    "l": 60.98
  },
  "oklch": {
    "l": 0.8214,
    "c": 0.19426,
    "h": 149.2
  },
  "luminance": 0.59773
}

Semantic roles & 50–950 ramp

primary

#51E67B

secondary

#A73487

accent

#0E9ED7

background

#FCFFFC

surface

#F5FEF5

border

#CFD6CF

text

#0E170F

muted

#7F8580

Preview Lab

Preview with #51E67B

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

Preview Lab → · Contrast checker → · Palette generator →