#9DFD21

A color in the Green family

#9dfd21 is a color in the Green family: RGB(157, 253, 33), HSL(86°, 98%, 56%), CMYK(38%, 0%, 87%, 1%). Closest named color: greenyellow. Contrast is 1.27:1 on white and 16.51:1 on black. See shades, harmonies and color-blindness simulation.

Color Codes

HEX#9dfd21
RGBrgb(157 253 33)
RGB (legacy)rgb(157, 253, 33)
RGB %rgb(62% 99% 13%)
HSLhsl(86 98% 56%)
HSV / HSBhsv(86, 87%, 99%)
HWBhwb(86 13% 1%)
CMYKcmyk(38%, 0%, 87%, 1%)
CIELAB (D50)lab(90.78 -51.35 81.66)
LCHlch(90.78 96.46 122.16)
OKLaboklab(0.8994 -0.1635 0.1803)
OKLCHoklch(0.8994 0.2435 132.2)
Decimal10353953

Properties

Color ToneGreen
Closest named colorgreenyellow ΔE 1.9
Closest web-safe color#99ff33
Hue86°
Saturation (HSL / HSV)98% / 87%
Lightness (HSL)56%
Brightness or Value (HSV)99%
Luminance (Rec.601 / Rec.709)78% / 85%
Relative luminance (WCAG)0.7753
Red / Green / Blue157 / 253 / 33

WCAG 2.2 Contrast Ratio

On White (#ffffff)
1.27:1
AA Normal (4.5:1) · FailAA Large (3:1) · FailAAA Normal (7:1) · Fail
On Black (#000000)
16.51:1
AA Normal (4.5:1) · PassAA Large (3:1) · PassAAA Normal (7:1) · Pass
Aa Bb 123

APCA Contrast Lc (reference) — As text on white / black: Lc 13.2 / -90.7 · As background with white / black text: Lc -15.2 / 90.4

Lightness Scale (OKLCH 50–950)

Eleven steps that change only perceived lightness while keeping hue and chroma — ready to use as design-system color tokens.

Tints (mixed with white)

Shades (mixed with black)

Color Harmonies

Color Vision Deficiency Simulation

Estimated appearance of this color for people with color vision deficiencies (Machado 2009).

Similar Named Colors

Use in CSS

:root {
  --color-brand: #9dfd21;
  --color-brand-oklch: oklch(89.94% 0.2435 132.2);
}
.text { color: var(--color-brand); }
.background { background-color: var(--color-brand); }
.border { border: 1px solid rgb(157 253 33 / 50%); }
/* Tailwind CSS */
<div class="bg-[#9dfd21] text-[#9dfd21] border-[#9dfd21]">