#51A117#51A117

#51A117 is a light, vivid yellow-green. Relative luminance 0.273; OKLCH L 63.3% C 0.180 H 136.2°. Best body text is #000000 at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#51A117
RGB	rgb(81, 161, 23)
HSL	hsl(95, 75%, 36%)
HSV	hsv(95, 86%, 63%)
CMYK	cmyk(49.7%, 0%, 85.7%, 36.9%)
CIE-LAB	lab(59.25, -46.61, 57.08)
CIE-LCH	lch(59.25, 73.69, 129.23°)
OKLab	oklab(63.33% -0.1301 0.1249)
OKLCH	oklch(63.33% 0.18 136.2)
XYZ	xyz(16.2924, 27.2998, 5.2213)
Luminance	0.2730 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51A117 #6717A1

analogous

#96A117 #51A117 #17A122

triadic

#51A117 #1751A1 #A11751

tetradic

#51A117 #1796A1 #6717A1 #A12217

square

#51A117 #1796A1 #6717A1 #A12217

split-complementary

#51A117 #2217A1 #A11796

monochromatic

#1B3608 #366B0F #51A117 #6CD71F #8DE64D

Accessibility & contrast

On white

3.25

#51A117 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.46

#51A117 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #51A117

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51A117	#FFFFFF	#000000	##000000
##51A117	1.00	3.25	6.46	6.46
#FFFFFF	3.25	1.00	21.00	21.00
#000000	6.46	21.00	1.00	1.00
##000000	6.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A79300

Deuteranopia (green-blind)

#9D8C29

Tritanopia (blue-blind)

#4D9B89

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #51a117;
/* rgb */ color: rgb(81, 161, 23);
/* oklch */ color: oklch(63.3% 0.180 136.2);

Tailwind

colors: {
  custom: {
    50: '#8abd63',
    500: '#51a117',
    950: '#000000',
  },
}

SCSS

$custom: #51a117;
$custom-light: #8abd63;
$custom-dark: #000000;

JSON

{
  "hex": "#51a117",
  "rgb": {
    "r": 81,
    "g": 161,
    "b": 23
  },
  "hsl": {
    "h": 94.783,
    "s": 75,
    "l": 36.078
  },
  "oklch": {
    "l": 0.63328,
    "c": 0.18038,
    "h": 136.2
  },
  "luminance": 0.27301
}

Semantic roles & 50–950 ramp

primary

#51A117

secondary

#944CC7

accent

#36F2A3

background

#F8FBF6

surface

#F0F7EB

border

#CBD0C6

text

#0D1206

muted

#7D817A

Preview Lab

Preview with #51A117

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

Preview Lab → · Contrast checker → · Palette generator →