#51D97C#51D97C

#51D97C is a light, vivid green. Relative luminance 0.528; OKLCH L 78.9% C 0.176 H 150.6°. Best body text is #000000 at 11.57:1 contrast (WCAG AA passes).

Color values

HEX	#51D97C
RGB	rgb(81, 217, 124)
HSL	hsl(139, 64%, 58%)
HSV	hsv(139, 63%, 85%)
CMYK	cmyk(62.7%, 0%, 42.9%, 14.9%)
CIE-LAB	lab(77.77, -56.93, 35.13)
CIE-LCH	lch(77.77, 66.90, 148.32°)
OKLab	oklab(78.9% -0.1537 0.0867)
OKLCH	oklch(78.9% 0.176 150.6)
XYZ	xyz(31.8418, 52.8271, 27.5835)
Luminance	0.5283 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D97C #D951AE

analogous

#6AD951 #51D97C #51D9C0

triadic

#51D97C #7C51D9 #D97C51

tetradic

#51D97C #516AD9 #D951AE #D9C051

square

#51D97C #516AD9 #D951AE #D9C051

split-complementary

#51D97C #C051D9 #D9516A

monochromatic

#1F9043 #2AC25A #51D97C #83E4A2 #B5EFC8

Accessibility & contrast

On white

1.82

#51D97C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.57

#51D97C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D97C

11.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D97C	#FFFFFF	#000000	##000000
##51D97C	1.00	1.82	11.57	11.57
#FFFFFF	1.82	1.00	21.00	21.00
#000000	11.57	21.00	1.00	1.00
##000000	11.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DAC875

Deuteranopia (green-blind)

#C9BB82

Tritanopia (blue-blind)

#1FD6C2

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #51d97c;
/* rgb */ color: rgb(81, 217, 124);
/* oklch */ color: oklch(78.9% 0.176 150.6);

Tailwind

colors: {
  custom: {
    50: '#8fe6a3',
    500: '#51d97c',
    950: '#000000',
  },
}

SCSS

$custom: #51d97c;
$custom-light: #8fe6a3;
$custom-dark: #000000;

JSON

{
  "hex": "#51d97c",
  "rgb": {
    "r": 81,
    "g": 217,
    "b": 124
  },
  "hsl": {
    "h": 138.971,
    "s": 64.151,
    "l": 58.431
  },
  "oklch": {
    "l": 0.78899,
    "c": 0.17647,
    "h": 150.6
  },
  "luminance": 0.5283
}

Semantic roles & 50–950 ramp

primary

#51D97C

secondary

#953978

accent

#41B3E7

background

#FCFEFC

surface

#F5FCF5

border

#CFD5CF

text

#0E160F

muted

#7F8480

Preview Lab

Preview with #51D97C

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

Preview Lab → · Contrast checker → · Palette generator →