#4BBD19
Closest named color: Frog Green (#58BC08). oklch(70.5% 0.214 139), rgb(75, 189, 25).
Aa
Black text reads best on this color (8.59:1).
About this color
#4BBD19 is a medium-light, vivid green. In OKLCH its lightness is 70%, its chroma 0.214 and its hue 139°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Frog Green (#58BC08), ΔE 0.009 away. Black text reads best on it, at 8.59:1.
| Hue family | Greens |
| Lightness | medium-light (70%) |
| Chroma | vivid (0.214) |
| Temperature | in between |
| Nearest name | Frog Green (#58BC08) |
| Black text | 8.59:1 |
| White text | 2.44:1 |
Values
| HEX | #4BBD19 |
| RGB | rgb(75, 189, 25) |
| HSL | hsl(102, 77%, 42%) |
| OKLCH | oklch(70.5% 0.214 139) |
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 #4BBD19 | 2.44:1 | Fails | Lc -52.6 | Large or bold text, headings |
| Black text on #4BBD19 | 8.59:1 | AAA | Lc 56.4 | Large or bold text, headings |
| #4BBD19 text on white | 2.44:1 | Fails | Lc 47.6 | Large or bold text, headings |
| #4BBD19 text on black | 8.59:1 | AAA | Lc -54.4 | Large or bold text, headings |
Tints and shades
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 400.
-
Step 50
50
#F0F9ED
oklch(97.2% 0.018 137.8)
-
Step 100
100
#DDF1D8
oklch(93.7% 0.039 139.4)
-
Step 200
200
#C1E6B7
oklch(88.6% 0.074 139.1)
-
Step 300
300
#93D580
oklch(80.8% 0.133 138.9)
-
Step 400
400 (this color)
#4BBD19
oklch(70.5% 0.214 139)
-
Step 500
500
#3BA400
oklch(63.2% 0.199 139)
-
Step 600
600
#308A00
oklch(55.7% 0.176 139)
-
Step 700
700
#277400
oklch(49.2% 0.155 139)
-
Step 800
800
#1F5F00
oklch(42.7% 0.134 138.9)
-
Step 900
900
#184F00
oklch(37.6% 0.119 139)
-
Step 950
950
#0B2F00
oklch(26.9% 0.085 139)
#4BBD19 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) | #C3AB00 | 0.142 |
| Deuteranopia (no green cones) | #B5A231 | 0.141 |
| Tritanopia (no blue cones) | #3EB6A1 | 0.148 |
| Achromatopsia (no color) | #A6A6A6 | 0.215 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4BBD19
#4BBD19
oklch(70.5% 0.214 139)
- #D66BF2
#D66BF2
oklch(70.5% 0.213 318.9)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #4BBD19, closest first.
No curated palette has a color within ΔE 0.04 of #4BBD19.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Frog Green #58BC08 ΔE 0.009
- Leafy Green #51B73B ΔE 0.029
- Shamrock Green #02C14D ΔE 0.034
- Lime Green #32CD32 ΔE 0.043
- Dark Lime Green #7EBD01 ΔE 0.045
- Dark Lime #84B701 ΔE 0.052
- Grass #5CAC2D ΔE 0.052
- Shamrock #01B44C ΔE 0.053
Use #4BBD19 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.