#51D987#51D987

#51D987 is a light, vivid green. Relative luminance 0.531; OKLCH L 79.1% C 0.166 H 153.5°. Best body text is #000000 at 11.62:1 contrast (WCAG AA passes).

Color values

HEX	#51D987
RGB	rgb(81, 217, 135)
HSL	hsl(144, 64%, 58%)
HSV	hsv(144, 63%, 85%)
CMYK	cmyk(62.7%, 0%, 37.8%, 14.9%)
CIE-LAB	lab(77.95, -55.03, 29.77)
CIE-LCH	lch(77.95, 62.56, 151.59°)
OKLab	oklab(79.1% -0.1489 0.0743)
OKLCH	oklch(79.1% 0.166 153.5)
XYZ	xyz(32.5767, 53.1210, 31.4536)
Luminance	0.5312 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D987 #D951A3

analogous

#5FD951 #51D987 #51D9CB

triadic

#51D987 #8751D9 #D98751

tetradic

#51D987 #515FD9 #D951A3 #D9CB51

square

#51D987 #515FD9 #D951A3 #D9CB51

split-complementary

#51D987 #CB51D9 #D9515F

monochromatic

#1F904C #2AC267 #51D987 #83E4AA #B5EFCC

Accessibility & contrast

On white

1.81

#51D987 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.62

#51D987 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D987

11.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D987	#FFFFFF	#000000	##000000
##51D987	1.00	1.81	11.62	11.62
#FFFFFF	1.81	1.00	21.00	21.00
#000000	11.62	21.00	1.00	1.00
##000000	11.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9C881

Deuteranopia (green-blind)

#C7BC8C

Tritanopia (blue-blind)

#13D6C4

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #51d987;
/* rgb */ color: rgb(81, 217, 135);
/* oklch */ color: oklch(79.1% 0.166 153.5);

Tailwind

colors: {
  custom: {
    50: '#8fe6aa',
    500: '#51d987',
    950: '#000000',
  },
}

SCSS

$custom: #51d987;
$custom-light: #8fe6aa;
$custom-dark: #000000;

JSON

{
  "hex": "#51d987",
  "rgb": {
    "r": 81,
    "g": 217,
    "b": 135
  },
  "hsl": {
    "h": 143.824,
    "s": 64.151,
    "l": 58.431
  },
  "oklch": {
    "l": 0.79099,
    "c": 0.16643,
    "h": 153.5
  },
  "luminance": 0.53124
}

Semantic roles & 50–950 ramp

primary

#51D987

secondary

#953971

accent

#41A5E7

background

#FCFEFD

surface

#F5FCF7

border

#CFD5D0

text

#0E1610

muted

#7F8481

Preview Lab

Preview with #51D987

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

Preview Lab → · Contrast checker → · Palette generator →