Yellowy Green #BFF128
Yellowy Green is a light, vivid yellow with hex code #BFF128 and RGB rgb(191, 241, 40).
Aa
Black text reads best on this color (15.82:1).
About this color
#BFF128 is a light, vivid yellow. In OKLCH its lightness is 89%, its chroma 0.212 and its hue 124°. Its hue sits between the warm and cool halves of the wheel. It is the named color Yellowy Green. Black text reads best on it, at 15.82:1.
| Hue family | Yellows |
| Lightness | light (89%) |
| Chroma | vivid (0.212) |
| Temperature | in between |
| Nearest name | Yellowy Green |
| Black text | 15.82:1 |
| White text | 1.32:1 |
Colors that go with Yellowy Green
Matches found by rotating Yellowy Green around the OKLCH hue wheel, each labelled with the closest name in our list.
Complementary
The opposite hue (180°).
Analogous
Neighbouring hues, 30° either side.
Triadic
Three hues spaced 120° apart.
Color palettes with Yellowy Green
Curated color palettes that contain a color within ΔE 0.06 (OKLab) of Yellowy Green, closest first.
Similar named colors
The eight named colors closest to Yellowy Green, with their ΔE distance.
- Greeny Yellow #C6F808 ΔE 0.023
- Yellowgreen #BBF90F ΔE 0.023
- Lemon Green #ADF802 ΔE 0.030
- Lemon Lime #BFFE28 ΔE 0.034
- Pear #CBF85F ΔE 0.039
- Green Yellow #ADFF2F ΔE 0.039
- Kiwi #9CEF43 ΔE 0.039
- Pale Lime Green #B1FF65 ΔE 0.042
More about Yellowy Green
How to make Yellowy Green
A starting recipe from common paint colors, found with a spectral paint model (the color mixer’s paint mode). Real pigments vary, so mix a small test batch and adjust.
- 3 parts yellow
- 3 parts white
- 1 part green
Recipe result: #CDE053, a difference of ΔE 0.059 from Yellowy Green. That is close; add a little more of one paint to match.
Codes for Yellowy Green in every format
| HEX | #BFF128 |
| RGB | rgb(191, 241, 40) |
| HSL | hsl(75, 88%, 55%) |
| OKLCH | oklch(89.1% 0.212 123.9) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #BFF128 | 1.32:1 | Fails | Lc -18.3 | Dividers and decoration only |
| Black text on #BFF128 | 15.82:1 | AAA | Lc 87.7 | Fine for body text |
| #BFF128 text on white | 1.32:1 | Fails | Lc 15.9 | Dividers and decoration only |
| #BFF128 text on black | 15.82:1 | AAA | Lc -87.8 | Fine for body text |
Shades and tints of Yellowy Green
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 200.
-
Step 50
50
#F0FAE0
oklch(97.1% 0.036 124.2)
-
Step 100
100
#DFF3B9
oklch(93.5% 0.079 123.4)
-
Step 200
200 (this color)
#BFF128
oklch(89.1% 0.212 123.9)
-
Step 300
300
#A7D400
oklch(80.8% 0.2 123.7)
-
Step 400
400
#8BB100
oklch(70.6% 0.175 123.7)
-
Step 500
500
#769800
oklch(63.1% 0.157 124)
-
Step 600
600
#638000
oklch(55.7% 0.138 124)
-
Step 700
700
#536B00
oklch(49% 0.121 123.6)
-
Step 800
800
#435800
oklch(42.7% 0.106 124.1)
-
Step 900
900
#384900
oklch(37.7% 0.093 123.4)
-
Step 950
950
#202B00
oklch(26.9% 0.066 123.3)
Yellowy Green with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #FFE100 | 0.089 |
| Deuteranopia (no green cones) | #F9DF41 | 0.091 |
| Tritanopia (no blue cones) | #C9E5CE | 0.175 |
| Achromatopsia (no color) | #DFDFDF | 0.212 |
Use Yellowy Green in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.