#A9DA37#A9DA37

#A9DA37 is a very light, vivid yellow-green. Relative luminance 0.589; OKLCH L 82.5% C 0.189 H 125.4°. Best body text is #000000 at 12.77:1 contrast (WCAG AA passes).

Color values

HEX	#A9DA37
RGB	rgb(169, 218, 55)
HSL	hsl(78, 69%, 54%)
HSV	hsv(78, 75%, 85%)
CMYK	cmyk(22.5%, 0%, 74.8%, 14.5%)
CIE-LAB	lab(81.21, -37.80, 69.75)
CIE-LCH	lch(81.21, 79.33, 118.46°)
OKLab	oklab(82.52% -0.1096 0.1545)
OKLCH	oklch(82.52% 0.189 125.4)
XYZ	xyz(42.1235, 58.8531, 12.7542)
Luminance	0.5885 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A9DA37 #6837DA

analogous

#DAB937 #A9DA37 #57DA37

triadic

#A9DA37 #37A9DA #DA37A9

tetradic

#A9DA37 #37DAB9 #6837DA #DA3757

square

#A9DA37 #37DAB9 #6837DA #DA3757

split-complementary

#A9DA37 #3757DA #B937DA

monochromatic

#607F18 #87B321 #A9DA37 #BFE46B #D5ED9E

Accessibility & contrast

On white

1.64

#A9DA37 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.77

#A9DA37 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A9DA37

12.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A9DA37	#FFFFFF	#000000	##000000
##A9DA37	1.00	1.64	12.77	12.77
#FFFFFF	1.64	1.00	21.00	21.00
#000000	12.77	21.00	1.00	1.00
##000000	12.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E6CB0F

Deuteranopia (green-blind)

#DFC947

Tritanopia (blue-blind)

#B1CFBB

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #a9da37;
/* rgb */ color: rgb(169, 218, 55);
/* oklch */ color: oklch(82.5% 0.189 125.4);

Tailwind

colors: {
  custom: {
    50: '#c7e57a',
    500: '#a9da37',
    950: '#000000',
  },
}

SCSS

$custom: #a9da37;
$custom-light: #c7e57a;
$custom-dark: #000000;

JSON

{
  "hex": "#a9da37",
  "rgb": {
    "r": 169,
    "g": 218,
    "b": 55
  },
  "hsl": {
    "h": 78.037,
    "s": 68.776,
    "l": 53.529
  },
  "oklch": {
    "l": 0.8252,
    "c": 0.18944,
    "h": 125.4
  },
  "luminance": 0.58854
}

Semantic roles & 50–950 ramp

primary

#A9DA37

secondary

#492F86

accent

#3CEC71

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#13150A

muted

#83847D

Preview Lab

Preview with #A9DA37

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

Preview Lab → · Contrast checker → · Palette generator →