#ACC939#ACC939

#ACC939 is a light, vivid yellow-green. Relative luminance 0.508; OKLCH L 78.8% C 0.167 H 120.4°. Best body text is #000000 at 11.17:1 contrast (WCAG AA passes).

Color values

HEX	#ACC939
RGB	rgb(172, 201, 57)
HSL	hsl(72, 57%, 51%)
HSV	hsv(72, 72%, 79%)
CMYK	cmyk(14.4%, 0%, 71.6%, 21.2%)
CIE-LAB	lab(76.58, -28.66, 64.68)
CIE-LCH	lch(76.58, 70.75, 113.90°)
OKLab	oklab(78.83% -0.0845 0.1441)
OKLCH	oklch(78.83% 0.167 120.4)
XYZ	xyz(38.6391, 50.8395, 11.6475)
Luminance	0.5084 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ACC939 #5639C9

analogous

#C99E39 #ACC939 #64C939

triadic

#ACC939 #39ACC9 #C939AC

tetradic

#ACC939 #39C99E #5639C9 #C93964

square

#ACC939 #39C99E #5639C9 #C93964

split-complementary

#ACC939 #3964C9 #9E39C9

monochromatic

#5B6B1D #849B2A #ACC939 #C0D669 #D4E399

Accessibility & contrast

On white

1.88

#ACC939 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.17

#ACC939 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ACC939

11.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ACC939	#FFFFFF	#000000	##000000
##ACC939	1.00	1.88	11.17	11.17
#FFFFFF	1.88	1.00	21.00	21.00
#000000	11.17	21.00	1.00	1.00
##000000	11.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6BD1E

Deuteranopia (green-blind)

#D2BD45

Tritanopia (blue-blind)

#B6BEAD

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #acc939;
/* rgb */ color: rgb(172, 201, 57);
/* oklch */ color: oklch(78.8% 0.167 120.4);

Tailwind

colors: {
  custom: {
    50: '#c8d979',
    500: '#acc939',
    950: '#000000',
  },
}

SCSS

$custom: #acc939;
$custom-light: #c8d979;
$custom-dark: #000000;

JSON

{
  "hex": "#acc939",
  "rgb": {
    "r": 172,
    "g": 201,
    "b": 57
  },
  "hsl": {
    "h": 72.083,
    "s": 57.143,
    "l": 50.588
  },
  "oklch": {
    "l": 0.78833,
    "c": 0.16707,
    "h": 120.4
  },
  "luminance": 0.50839
}

Semantic roles & 50–950 ramp

primary

#ACC939

secondary

#3F3274

accent

#47E066

background

#FEFEFB

surface

#FBFBF2

border

#D4D4CC

text

#14140A

muted

#83837D

Preview Lab

Preview with #ACC939

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

Preview Lab → · Contrast checker → · Palette generator →