#4B781B
Closest named color: Tree Green (#2A7E19). oklch(52.1% 0.13 132.3), rgb(75, 120, 27).
Aa
White text reads best on this color (5.24:1).
About this color
#4B781B is a medium-dark, moderately saturated green. In OKLCH its lightness is 52%, its chroma 0.130 and its hue 132°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Tree Green (#2A7E19), ΔE 0.033 away. White text reads best on it, at 5.24:1.
| Hue family | Greens |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.130) |
| Temperature | in between |
| Nearest name | Tree Green (#2A7E19) |
| Black text | 4.00:1 |
| White text | 5.24:1 |
Values
| HEX | #4B781B |
| RGB | rgb(75, 120, 27) |
| HSL | hsl(89, 63%, 29%) |
| OKLCH | oklch(52.1% 0.13 132.3) |
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 #4B781B | 5.24:1 | AA | Lc -81.2 | Fine for body text |
| Black text on #4B781B | 4.00:1 | AA large text | Lc 28.2 | Dividers and decoration only |
| #4B781B text on white | 5.24:1 | AA | Lc 75.9 | Fine for body text |
| #4B781B text on black | 4.00:1 | AA large text | Lc -25.9 | Dividers and decoration only |
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 700.
-
Step 50
50
#F3F7F1
oklch(97.1% 0.009 134.9)
-
Step 100
100
#E5EDE0
oklch(93.6% 0.019 133.1)
-
Step 200
200
#D1DEC7
oklch(88.4% 0.034 131.4)
-
Step 300
300
#B1CAA0
oklch(80.9% 0.064 132.8)
-
Step 400
400
#89AE6B
oklch(70.7% 0.101 132)
-
Step 500
500
#6B9941
oklch(63% 0.129 132.1)
-
Step 600
600
#52831D
oklch(55.5% 0.14 132.3)
-
Step 700
700 (this color)
#4B781B
oklch(52.1% 0.13 132.3)
-
Step 800
800
#375B11
oklch(42.8% 0.109 132.5)
-
Step 900
900
#304B17
oklch(37.8% 0.084 132.5)
-
Step 950
950
#1C2C0F
oklch(27.1% 0.053 132.9)
#4B781B 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) | #7D6E07 | 0.072 |
| Deuteranopia (no green cones) | #776B24 | 0.073 |
| Tritanopia (no blue cones) | #4C7366 | 0.098 |
| Achromatopsia (no color) | #6C6C6C | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B781B
#4B781B
oklch(52.1% 0.13 132.3)
- #82509F
#82509F
oklch(52.1% 0.13 311.9)
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 #4B781B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tree Green #2A7E19 ΔE 0.033
- Dark Grass Green #388004 ΔE 0.034
- Olive Green #677A04 ΔE 0.037
- Murky Green #6C7A0E ΔE 0.044
- Muddy Green #657432 ΔE 0.046
- Jungle Green #048243 ΔE 0.049
- Dark Olive Green #556B2F ΔE 0.050
- Military Green #667C3E ΔE 0.053
Use #4B781B 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.