#C9EB5B#C9EB5B

#C9EB5B is a very light, vivid yellow-green. Relative luminance 0.726; OKLCH L 88.8% C 0.172 H 121.3°. Best body text is #000000 at 15.52:1 contrast (WCAG AA passes).

Color values

HEX	#C9EB5B
RGB	rgb(201, 235, 91)
HSL	hsl(74, 78%, 64%)
HSV	hsv(74, 61%, 92%)
CMYK	cmyk(14.5%, 0%, 61.3%, 7.8%)
CIE-LAB	lab(88.25, -30.98, 64.24)
CIE-LCH	lch(88.25, 71.32, 115.75°)
OKLab	oklab(88.81% -0.0895 0.1474)
OKLCH	oklch(88.81% 0.172 121.3)
XYZ	xyz(55.6847, 72.5895, 20.9731)
Luminance	0.7259 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C9EB5B #7D5BEB

analogous

#EBC55B #C9EB5B #81EB5B

triadic

#C9EB5B #5BC9EB #EB5BC9

tetradic

#C9EB5B #5BEBC5 #7D5BEB #EB5B81

square

#C9EB5B #5BEBC5 #7D5BEB #EB5B81

split-complementary

#C9EB5B #5B81EB #C55BEB

monochromatic

#90B516 #B7E424 #C9EB5B #DBF292 #EDF8C8

Accessibility & contrast

On white

1.35

#C9EB5B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.52

#C9EB5B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C9EB5B

15.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C9EB5B	#FFFFFF	#000000	##000000
##C9EB5B	1.00	1.35	15.52	15.52
#FFFFFF	1.35	1.00	21.00	21.00
#000000	15.52	21.00	1.00	1.00
##000000	15.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F8DE4A

Deuteranopia (green-blind)

#F4DE65

Tritanopia (blue-blind)

#D3E0CD

Achromatopsia (no color)

#DDDDDD

Design tokens & code

CSS

--color: #c9eb5b;
/* rgb */ color: rgb(201, 235, 91);
/* oklch */ color: oklch(88.8% 0.172 121.3);

Tailwind

colors: {
  custom: {
    50: '#dcf18f',
    500: '#c9eb5b',
    950: '#000000',
  },
}

SCSS

$custom: #c9eb5b;
$custom-light: #dcf18f;
$custom-dark: #000000;

JSON

{
  "hex": "#c9eb5b",
  "rgb": {
    "r": 201,
    "g": 235,
    "b": 91
  },
  "hsl": {
    "h": 74.167,
    "s": 78.261,
    "l": 63.922
  },
  "oklch": {
    "l": 0.88808,
    "c": 0.17245,
    "h": 121.3
  },
  "luminance": 0.72589
}

Semantic roles & 50–950 ramp

primary

#C9EB5B

secondary

#5335B5

accent

#0BDB3C

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#15160D

muted

#84857F

Preview Lab

Preview with #C9EB5B

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

Preview Lab → · Contrast checker → · Palette generator →