#A5CA39#A5CA39

#A5CA39 is a light, vivid yellow-green. Relative luminance 0.505; OKLCH L 78.6% C 0.171 H 123.0°. Best body text is #000000 at 11.11:1 contrast (WCAG AA passes).

Color values

HEX	#A5CA39
RGB	rgb(165, 202, 57)
HSL	hsl(75, 58%, 51%)
HSV	hsv(75, 72%, 79%)
CMYK	cmyk(18.3%, 0%, 71.8%, 20.8%)
CIE-LAB	lab(76.40, -31.95, 64.34)
CIE-LCH	lch(76.40, 71.84, 116.40°)
OKLab	oklab(78.56% -0.0932 0.1436)
OKLCH	oklch(78.56% 0.171 123)
XYZ	xyz(37.3766, 50.5356, 11.6554)
Luminance	0.5054 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A5CA39 #5E39CA

analogous

#CAA639 #A5CA39 #5CCA39

triadic

#A5CA39 #39A5CA #CA39A5

tetradic

#A5CA39 #39CAA6 #5E39CA #CA395C

square

#A5CA39 #39CAA6 #5E39CA #CA395C

split-complementary

#A5CA39 #395CCA #A639CA

monochromatic

#586C1D #7F9C2A #A5CA39 #BBD769 #D1E49A

Accessibility & contrast

On white

1.89

#A5CA39 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.11

#A5CA39 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A5CA39

11.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A5CA39	#FFFFFF	#000000	##000000
##A5CA39	1.00	1.89	11.11	11.11
#FFFFFF	1.89	1.00	21.00	21.00
#000000	11.11	21.00	1.00	1.00
##000000	11.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6BD1E

Deuteranopia (green-blind)

#D1BC46

Tritanopia (blue-blind)

#ADC0AE

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #a5ca39;
/* rgb */ color: rgb(165, 202, 57);
/* oklch */ color: oklch(78.6% 0.171 123.0);

Tailwind

colors: {
  custom: {
    50: '#c3da79',
    500: '#a5ca39',
    950: '#000000',
  },
}

SCSS

$custom: #a5ca39;
$custom-light: #c3da79;
$custom-dark: #000000;

JSON

{
  "hex": "#a5ca39",
  "rgb": {
    "r": 165,
    "g": 202,
    "b": 57
  },
  "hsl": {
    "h": 75.31,
    "s": 57.769,
    "l": 50.784
  },
  "oklch": {
    "l": 0.78564,
    "c": 0.17115,
    "h": 123
  },
  "luminance": 0.50536
}

Semantic roles & 50–950 ramp

primary

#A5CA39

secondary

#433275

accent

#47E16E

background

#FDFEFB

surface

#F9FBF2

border

#D2D4CC

text

#13140A

muted

#82837D

Preview Lab

Preview with #A5CA39

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

Preview Lab → · Contrast checker → · Palette generator →