#51EA8B#51EA8B

#51EA8B is a very light, vivid green. Relative luminance 0.625; OKLCH L 83.4% C 0.185 H 152.4°. Best body text is #000000 at 13.49:1 contrast (WCAG AA passes).

Color values

HEX	#51EA8B
RGB	rgb(81, 234, 139)
HSL	hsl(143, 78%, 62%)
HSV	hsv(143, 65%, 92%)
CMYK	cmyk(65.4%, 0%, 40.6%, 8.2%)
CIE-LAB	lab(83.15, -60.76, 34.61)
CIE-LCH	lch(83.15, 69.92, 150.34°)
OKLab	oklab(83.41% -0.164 0.0859)
OKLCH	oklch(83.41% 0.185 152.4)
XYZ	xyz(37.4732, 62.4551, 34.5013)
Luminance	0.6246 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51EA8B #EA51B0

analogous

#64EA51 #51EA8B #51EAD8

triadic

#51EA8B #8B51EA #EA8B51

tetradic

#51EA8B #5164EA #EA51B0 #EAD851

square

#51EA8B #5164EA #EA51B0 #EAD851

split-complementary

#51EA8B #D851EA #EA5164

monochromatic

#15AC4E #1BE267 #51EA8B #88F1AF #BEF7D4

Accessibility & contrast

On white

1.56

#51EA8B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.49

#51EA8B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51EA8B

13.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51EA8B	#FFFFFF	#000000	##000000
##51EA8B	1.00	1.56	13.49	13.49
#FFFFFF	1.56	1.00	21.00	21.00
#000000	13.49	21.00	1.00	1.00
##000000	13.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EAD784

Deuteranopia (green-blind)

#D7CA91

Tritanopia (blue-blind)

#00E7D2

Achromatopsia (no color)

#CFCFCF

Design tokens & code

CSS

--color: #51ea8b;
/* rgb */ color: rgb(81, 234, 139);
/* oklch */ color: oklch(83.4% 0.185 152.4);

Tailwind

colors: {
  custom: {
    50: '#92f2ae',
    500: '#51ea8b',
    950: '#000000',
  },
}

SCSS

$custom: #51ea8b;
$custom-light: #92f2ae;
$custom-dark: #000000;

JSON

{
  "hex": "#51ea8b",
  "rgb": {
    "r": 81,
    "g": 234,
    "b": 139
  },
  "hsl": {
    "h": 142.745,
    "s": 78.462,
    "l": 61.765
  },
  "oklch": {
    "l": 0.83405,
    "c": 0.18513,
    "h": 152.4
  },
  "luminance": 0.62459
}

Semantic roles & 50–950 ramp

primary

#51EA8B

secondary

#AD327E

accent

#0B8CDB

background

#FCFFFD

surface

#F5FEF7

border

#CFD6D0

text

#0E1710

muted

#7F8581

Preview Lab

Preview with #51EA8B

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

Preview Lab → · Contrast checker → · Palette generator →