#ACEF61#ACEF61

#ACEF61 is a very light, vivid yellow-green. Relative luminance 0.714; OKLCH L 87.9% C 0.186 H 130.7°. Best body text is #000000 at 15.27:1 contrast (WCAG AA passes).

Color values

HEX	#ACEF61
RGB	rgb(172, 239, 97)
HSL	hsl(88, 82%, 66%)
HSV	hsv(88, 59%, 94%)
CMYK	cmyk(28%, 0%, 59.4%, 6.3%)
CIE-LAB	lab(87.66, -43.09, 60.58)
CIE-LCH	lch(87.66, 74.34, 125.43°)
OKLab	oklab(87.89% -0.1209 0.1407)
OKLCH	oklch(87.89% 0.186 130.7)
XYZ	xyz(50.0369, 71.3653, 22.4455)
Luminance	0.7137 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Kiwi

#9CEF43

ΔE00 2.85

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ACEF61 #A461EF

analogous

#EFEB61 #ACEF61 #65EF61

triadic

#ACEF61 #61ACEF #EF61AC

tetradic

#ACEF61 #61EFEB #A461EF #EF6165

square

#ACEF61 #61EFEB #A461EF #EF6165

split-complementary

#ACEF61 #6165EF #EB61EF

monochromatic

#70C214 #8FE929 #ACEF61 #C9F599 #E6FAD0

Accessibility & contrast

On white

1.37

#ACEF61 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.27

#ACEF61 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ACEF61

15.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ACEF61	#FFFFFF	#000000	##000000
##ACEF61	1.00	1.37	15.27	15.27
#FFFFFF	1.37	1.00	21.00	21.00
#000000	15.27	21.00	1.00	1.00
##000000	15.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F9DF51

Deuteranopia (green-blind)

#EFDA6B

Tritanopia (blue-blind)

#AFE6D1

Achromatopsia (no color)

#DCDCDC

Design tokens & code

CSS

--color: #acef61;
/* rgb */ color: rgb(172, 239, 97);
/* oklch */ color: oklch(87.9% 0.186 130.7);

Tailwind

colors: {
  custom: {
    50: '#c8f493',
    500: '#acef61',
    950: '#000000',
  },
}

SCSS

$custom: #acef61;
$custom-light: #c8f493;
$custom-dark: #000000;

JSON

{
  "hex": "#acef61",
  "rgb": {
    "r": 172,
    "g": 239,
    "b": 97
  },
  "hsl": {
    "h": 88.31,
    "s": 81.609,
    "l": 65.882
  },
  "oklch": {
    "l": 0.87894,
    "c": 0.18554,
    "h": 130.7
  },
  "luminance": 0.71367
}

Semantic roles & 50–950 ramp

primary

#ACEF61

secondary

#7634C0

accent

#08DE6D

background

#FEFFFC

surface

#FBFEF4

border

#D4D6CE

text

#13170D

muted

#83857F

Preview Lab

Preview with #ACEF61

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

Preview Lab → · Contrast checker → · Palette generator →